Home / 88,078.20-132,117.30-56,585.40

Finding the Fourth Proportional to 88,078.20, 132,117.30 and 56,585.40

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Solution

The fourth proportional to 88,078.20, 132,117.30 and 56,585.40 is: 84,878.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,078.20 : 132,117.30 = 56,585.40 : x
  2. Step 2: Convert to fraction form
    88,078.20/132,117.30 = 56,585.40/x
  3. Step 3: Cross multiply
    88,078.20x = 132,117.30 × 56,585.40
  4. Step 4: Simplify right side
    88,078.20x = 7,475,910,267.42
  5. Step 5: Solve for x
    x = 7,475,910,267.42/88,078.20
  6. Step 6: Final answer
    x = 84,878.10

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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.