Home / 88,031.60-132,047.40-38,879.60

Finding the Fourth Proportional to 88,031.60, 132,047.40 and 38,879.60

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Solution

The fourth proportional to 88,031.60, 132,047.40 and 38,879.60 is: 58,319.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,031.60 : 132,047.40 = 38,879.60 : x
  2. Step 2: Convert to fraction form
    88,031.60/132,047.40 = 38,879.60/x
  3. Step 3: Cross multiply
    88,031.60x = 132,047.40 × 38,879.60
  4. Step 4: Simplify right side
    88,031.60x = 5,133,950,093.04
  5. Step 5: Solve for x
    x = 5,133,950,093.04/88,031.60
  6. Step 6: Final answer
    x = 58,319.40

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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.