Home / 88,531.49-132,823.19-28,558.77

Finding the Fourth Proportional to 88,531.49, 132,823.19 and 28,558.77

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Solution

The fourth proportional to 88,531.49, 132,823.19 and 28,558.77 is: 42,846.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,531.49 : 132,823.19 = 28,558.77 : x
  2. Step 2: Convert to fraction form
    88,531.49/132,823.19 = 28,558.77/x
  3. Step 3: Cross multiply
    88,531.49x = 132,823.19 × 28,558.77
  4. Step 4: Simplify right side
    88,531.49x = 3,793,266,507.19
  5. Step 5: Solve for x
    x = 3,793,266,507.19/88,531.49
  6. Step 6: Final answer
    x = 42,846.52

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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.