Home / 113,107.60-156,088.45-62,120.34

Finding the Fourth Proportional to 113,107.60, 156,088.45 and 62,120.34

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Solution

The fourth proportional to 113,107.60, 156,088.45 and 62,120.34 is: 85,726.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,107.60 : 156,088.45 = 62,120.34 : x
  2. Step 2: Convert to fraction form
    113,107.60/156,088.45 = 62,120.34/x
  3. Step 3: Cross multiply
    113,107.60x = 156,088.45 × 62,120.34
  4. Step 4: Simplify right side
    113,107.60x = 9,696,267,770.64
  5. Step 5: Solve for x
    x = 9,696,267,770.64/113,107.60
  6. Step 6: Final answer
    x = 85,726.05

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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.