Home / 90,726.99-125,207.40-50,444.88

Finding the Fourth Proportional to 90,726.99, 125,207.40 and 50,444.88

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Solution

The fourth proportional to 90,726.99, 125,207.40 and 50,444.88 is: 69,616.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,726.99 : 125,207.40 = 50,444.88 : x
  2. Step 2: Convert to fraction form
    90,726.99/125,207.40 = 50,444.88/x
  3. Step 3: Cross multiply
    90,726.99x = 125,207.40 × 50,444.88
  4. Step 4: Simplify right side
    90,726.99x = 6,316,072,268.11
  5. Step 5: Solve for x
    x = 6,316,072,268.11/90,726.99
  6. Step 6: Final answer
    x = 69,616.24

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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.