Home / 90,077.25-124,318.95-51,836.01

Finding the Fourth Proportional to 90,077.25, 124,318.95 and 51,836.01

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Solution

The fourth proportional to 90,077.25, 124,318.95 and 51,836.01 is: 71,540.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,077.25 : 124,318.95 = 51,836.01 : x
  2. Step 2: Convert to fraction form
    90,077.25/124,318.95 = 51,836.01/x
  3. Step 3: Cross multiply
    90,077.25x = 124,318.95 × 51,836.01
  4. Step 4: Simplify right side
    90,077.25x = 6,444,197,454.61
  5. Step 5: Solve for x
    x = 6,444,197,454.61/90,077.25
  6. Step 6: Final answer
    x = 71,540.79

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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.