Home / 90,384.17-124,737.62-50,110.57

Finding the Fourth Proportional to 90,384.17, 124,737.62 and 50,110.57

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Solution

The fourth proportional to 90,384.17, 124,737.62 and 50,110.57 is: 69,156.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,384.17 : 124,737.62 = 50,110.57 : x
  2. Step 2: Convert to fraction form
    90,384.17/124,737.62 = 50,110.57/x
  3. Step 3: Cross multiply
    90,384.17x = 124,737.62 × 50,110.57
  4. Step 4: Simplify right side
    90,384.17x = 6,250,673,238.64
  5. Step 5: Solve for x
    x = 6,250,673,238.64/90,384.17
  6. Step 6: Final answer
    x = 69,156.73

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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.