Home / 89,825.40-134,738.10-26,647.80

Finding the Fourth Proportional to 89,825.40, 134,738.10 and 26,647.80

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Solution

The fourth proportional to 89,825.40, 134,738.10 and 26,647.80 is: 39,971.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,825.40 : 134,738.10 = 26,647.80 : x
  2. Step 2: Convert to fraction form
    89,825.40/134,738.10 = 26,647.80/x
  3. Step 3: Cross multiply
    89,825.40x = 134,738.10 × 26,647.80
  4. Step 4: Simplify right side
    89,825.40x = 3,590,473,941.18
  5. Step 5: Solve for x
    x = 3,590,473,941.18/89,825.40
  6. Step 6: Final answer
    x = 39,971.70

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.