Home / 90,381.69-124,726.64-50,095.53

Finding the Fourth Proportional to 90,381.69, 124,726.64 and 50,095.53

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Solution

The fourth proportional to 90,381.69, 124,726.64 and 50,095.53 is: 69,131.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,381.69 : 124,726.64 = 50,095.53 : x
  2. Step 2: Convert to fraction form
    90,381.69/124,726.64 = 50,095.53/x
  3. Step 3: Cross multiply
    90,381.69x = 124,726.64 × 50,095.53
  4. Step 4: Simplify right side
    90,381.69x = 6,248,246,885.44
  5. Step 5: Solve for x
    x = 6,248,246,885.44/90,381.69
  6. Step 6: Final answer
    x = 69,131.78

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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.