Home / 48,087.70-66,317.88-40,047.91

Finding the Fourth Proportional to 48,087.70, 66,317.88 and 40,047.91

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Solution

The fourth proportional to 48,087.70, 66,317.88 and 40,047.91 is: 55,230.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,087.70 : 66,317.88 = 40,047.91 : x
  2. Step 2: Convert to fraction form
    48,087.70/66,317.88 = 40,047.91/x
  3. Step 3: Cross multiply
    48,087.70x = 66,317.88 × 40,047.91
  4. Step 4: Simplify right side
    48,087.70x = 2,655,892,489.63
  5. Step 5: Solve for x
    x = 2,655,892,489.63/48,087.70
  6. Step 6: Final answer
    x = 55,230.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.