Home / 125,059.50-172,598.58-71,332.20

Finding the Fourth Proportional to 125,059.50, 172,598.58 and 71,332.20

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Solution

The fourth proportional to 125,059.50, 172,598.58 and 71,332.20 is: 98,447.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,059.50 : 172,598.58 = 71,332.20 : x
  2. Step 2: Convert to fraction form
    125,059.50/172,598.58 = 71,332.20/x
  3. Step 3: Cross multiply
    125,059.50x = 172,598.58 × 71,332.20
  4. Step 4: Simplify right side
    125,059.50x = 12,311,836,428.28
  5. Step 5: Solve for x
    x = 12,311,836,428.28/125,059.50
  6. Step 6: Final answer
    x = 98,447.83

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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.