Home / 79,830.12-119,740.84-24,426.12

Finding the Fourth Proportional to 79,830.12, 119,740.84 and 24,426.12

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Solution

The fourth proportional to 79,830.12, 119,740.84 and 24,426.12 is: 36,637.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,830.12 : 119,740.84 = 24,426.12 : x
  2. Step 2: Convert to fraction form
    79,830.12/119,740.84 = 24,426.12/x
  3. Step 3: Cross multiply
    79,830.12x = 119,740.84 × 24,426.12
  4. Step 4: Simplify right side
    79,830.12x = 2,924,804,126.74
  5. Step 5: Solve for x
    x = 2,924,804,126.74/79,830.12
  6. Step 6: Final answer
    x = 36,637.85

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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.