Home / 113,680.74-156,880.42-62,695.49

Finding the Fourth Proportional to 113,680.74, 156,880.42 and 62,695.49

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Solution

The fourth proportional to 113,680.74, 156,880.42 and 62,695.49 is: 86,520.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,680.74 : 156,880.42 = 62,695.49 : x
  2. Step 2: Convert to fraction form
    113,680.74/156,880.42 = 62,695.49/x
  3. Step 3: Cross multiply
    113,680.74x = 156,880.42 × 62,695.49
  4. Step 4: Simplify right side
    113,680.74x = 9,835,694,803.31
  5. Step 5: Solve for x
    x = 9,835,694,803.31/113,680.74
  6. Step 6: Final answer
    x = 86,520.33

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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.