Home / 89,973.82-124,138.47-54,152.38

Finding the Fourth Proportional to 89,973.82, 124,138.47 and 54,152.38

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Solution

The fourth proportional to 89,973.82, 124,138.47 and 54,152.38 is: 74,715.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,973.82 : 124,138.47 = 54,152.38 : x
  2. Step 2: Convert to fraction form
    89,973.82/124,138.47 = 54,152.38/x
  3. Step 3: Cross multiply
    89,973.82x = 124,138.47 × 54,152.38
  4. Step 4: Simplify right side
    89,973.82x = 6,722,393,600.06
  5. Step 5: Solve for x
    x = 6,722,393,600.06/89,973.82
  6. Step 6: Final answer
    x = 74,715.00

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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.