Home / 90,942.30-125,508.42-50,655.06

Finding the Fourth Proportional to 90,942.30, 125,508.42 and 50,655.06

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Solution

The fourth proportional to 90,942.30, 125,508.42 and 50,655.06 is: 69,908.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,942.30 : 125,508.42 = 50,655.06 : x
  2. Step 2: Convert to fraction form
    90,942.30/125,508.42 = 50,655.06/x
  3. Step 3: Cross multiply
    90,942.30x = 125,508.42 × 50,655.06
  4. Step 4: Simplify right side
    90,942.30x = 6,357,636,545.61
  5. Step 5: Solve for x
    x = 6,357,636,545.61/90,942.30
  6. Step 6: Final answer
    x = 69,908.46

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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.