Home / 90,384.24-124,737.72-50,110.64

Finding the Fourth Proportional to 90,384.24, 124,737.72 and 50,110.64

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Solution

The fourth proportional to 90,384.24, 124,737.72 and 50,110.64 is: 69,156.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,384.24 : 124,737.72 = 50,110.64 : x
  2. Step 2: Convert to fraction form
    90,384.24/124,737.72 = 50,110.64/x
  3. Step 3: Cross multiply
    90,384.24x = 124,737.72 × 50,110.64
  4. Step 4: Simplify right side
    90,384.24x = 6,250,686,981.34
  5. Step 5: Solve for x
    x = 6,250,686,981.34/90,384.24
  6. Step 6: Final answer
    x = 69,156.82

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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.