Home / 89,887.31-124,027.16-54,079.62

Finding the Fourth Proportional to 89,887.31, 124,027.16 and 54,079.62

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Solution

The fourth proportional to 89,887.31, 124,027.16 and 54,079.62 is: 74,619.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,887.31 : 124,027.16 = 54,079.62 : x
  2. Step 2: Convert to fraction form
    89,887.31/124,027.16 = 54,079.62/x
  3. Step 3: Cross multiply
    89,887.31x = 124,027.16 × 54,079.62
  4. Step 4: Simplify right side
    89,887.31x = 6,707,341,412.08
  5. Step 5: Solve for x
    x = 6,707,341,412.08/89,887.31
  6. Step 6: Final answer
    x = 74,619.45

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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.