Home / 88,431.12-132,507.36-52,805.16

Finding the Fourth Proportional to 88,431.12, 132,507.36 and 52,805.16

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Solution

The fourth proportional to 88,431.12, 132,507.36 and 52,805.16 is: 79,124.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,431.12 : 132,507.36 = 52,805.16 : x
  2. Step 2: Convert to fraction form
    88,431.12/132,507.36 = 52,805.16/x
  3. Step 3: Cross multiply
    88,431.12x = 132,507.36 × 52,805.16
  4. Step 4: Simplify right side
    88,431.12x = 6,997,072,345.98
  5. Step 5: Solve for x
    x = 6,997,072,345.98/88,431.12
  6. Step 6: Final answer
    x = 79,124.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.