Home / 82,291.04-123,364.45-39,575.05

Finding the Fourth Proportional to 82,291.04, 123,364.45 and 39,575.05

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Solution

The fourth proportional to 82,291.04, 123,364.45 and 39,575.05 is: 59,327.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,291.04 : 123,364.45 = 39,575.05 : x
  2. Step 2: Convert to fraction form
    82,291.04/123,364.45 = 39,575.05/x
  3. Step 3: Cross multiply
    82,291.04x = 123,364.45 × 39,575.05
  4. Step 4: Simplify right side
    82,291.04x = 4,882,154,332.24
  5. Step 5: Solve for x
    x = 4,882,154,332.24/82,291.04
  6. Step 6: Final answer
    x = 59,327.90

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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.