Home / 113,670.19-156,861.25-62,685.07

Finding the Fourth Proportional to 113,670.19, 156,861.25 and 62,685.07

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Solution

The fourth proportional to 113,670.19, 156,861.25 and 62,685.07 is: 86,503.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,670.19 : 156,861.25 = 62,685.07 : x
  2. Step 2: Convert to fraction form
    113,670.19/156,861.25 = 62,685.07/x
  3. Step 3: Cross multiply
    113,670.19x = 156,861.25 × 62,685.07
  4. Step 4: Simplify right side
    113,670.19x = 9,832,857,887.67
  5. Step 5: Solve for x
    x = 9,832,857,887.67/113,670.19
  6. Step 6: Final answer
    x = 86,503.40

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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.