Home / 94,909.25-142,387.68-28,349.12

Finding the Fourth Proportional to 94,909.25, 142,387.68 and 28,349.12

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Solution

The fourth proportional to 94,909.25, 142,387.68 and 28,349.12 is: 42,530.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,909.25 : 142,387.68 = 28,349.12 : x
  2. Step 2: Convert to fraction form
    94,909.25/142,387.68 = 28,349.12/x
  3. Step 3: Cross multiply
    94,909.25x = 142,387.68 × 28,349.12
  4. Step 4: Simplify right side
    94,909.25x = 4,036,565,426.84
  5. Step 5: Solve for x
    x = 4,036,565,426.84/94,909.25
  6. Step 6: Final answer
    x = 42,530.79

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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.