Home / 40,085.08-60,131.57-15,146.06

Finding the Fourth Proportional to 40,085.08, 60,131.57 and 15,146.06

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Solution

The fourth proportional to 40,085.08, 60,131.57 and 15,146.06 is: 22,720.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,085.08 : 60,131.57 = 15,146.06 : x
  2. Step 2: Convert to fraction form
    40,085.08/60,131.57 = 15,146.06/x
  3. Step 3: Cross multiply
    40,085.08x = 60,131.57 × 15,146.06
  4. Step 4: Simplify right side
    40,085.08x = 910,755,990.73
  5. Step 5: Solve for x
    x = 910,755,990.73/40,085.08
  6. Step 6: Final answer
    x = 22,720.57

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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.