Home / 85,992.58-129,038.68-36,068.22

Finding the Fourth Proportional to 85,992.58, 129,038.68 and 36,068.22

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Solution

The fourth proportional to 85,992.58, 129,038.68 and 36,068.22 is: 54,123.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,992.58 : 129,038.68 = 36,068.22 : x
  2. Step 2: Convert to fraction form
    85,992.58/129,038.68 = 36,068.22/x
  3. Step 3: Cross multiply
    85,992.58x = 129,038.68 × 36,068.22
  4. Step 4: Simplify right side
    85,992.58x = 4,654,195,498.75
  5. Step 5: Solve for x
    x = 4,654,195,498.75/85,992.58
  6. Step 6: Final answer
    x = 54,123.22

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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.