Home / 90,355.74-124,691.65-50,070.17

Finding the Fourth Proportional to 90,355.74, 124,691.65 and 50,070.17

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Solution

The fourth proportional to 90,355.74, 124,691.65 and 50,070.17 is: 69,097.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,355.74 : 124,691.65 = 50,070.17 : x
  2. Step 2: Convert to fraction form
    90,355.74/124,691.65 = 50,070.17/x
  3. Step 3: Cross multiply
    90,355.74x = 124,691.65 × 50,070.17
  4. Step 4: Simplify right side
    90,355.74x = 6,243,331,598.24
  5. Step 5: Solve for x
    x = 6,243,331,598.24/90,355.74
  6. Step 6: Final answer
    x = 69,097.24

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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.