Home / 90,381.12-124,726.62-50,095.50

Finding the Fourth Proportional to 90,381.12, 124,726.62 and 50,095.50

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Solution

The fourth proportional to 90,381.12, 124,726.62 and 50,095.50 is: 69,132.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,381.12 : 124,726.62 = 50,095.50 : x
  2. Step 2: Convert to fraction form
    90,381.12/124,726.62 = 50,095.50/x
  3. Step 3: Cross multiply
    90,381.12x = 124,726.62 × 50,095.50
  4. Step 4: Simplify right side
    90,381.12x = 6,248,242,392.21
  5. Step 5: Solve for x
    x = 6,248,242,392.21/90,381.12
  6. Step 6: Final answer
    x = 69,132.16

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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.