Home / 88,291.40-132,437.10-38,427.80

Finding the Fourth Proportional to 88,291.40, 132,437.10 and 38,427.80

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Solution

The fourth proportional to 88,291.40, 132,437.10 and 38,427.80 is: 57,641.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,291.40 : 132,437.10 = 38,427.80 : x
  2. Step 2: Convert to fraction form
    88,291.40/132,437.10 = 38,427.80/x
  3. Step 3: Cross multiply
    88,291.40x = 132,437.10 × 38,427.80
  4. Step 4: Simplify right side
    88,291.40x = 5,089,266,391.38
  5. Step 5: Solve for x
    x = 5,089,266,391.38/88,291.40
  6. Step 6: Final answer
    x = 57,641.70

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1.5x scale

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.