Home / 47,909.99-66,044.88-30,680.52

Finding the Fourth Proportional to 47,909.99, 66,044.88 and 30,680.52

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Solution

The fourth proportional to 47,909.99, 66,044.88 and 30,680.52 is: 42,293.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,909.99 : 66,044.88 = 30,680.52 : x
  2. Step 2: Convert to fraction form
    47,909.99/66,044.88 = 30,680.52/x
  3. Step 3: Cross multiply
    47,909.99x = 66,044.88 × 30,680.52
  4. Step 4: Simplify right side
    47,909.99x = 2,026,291,261.74
  5. Step 5: Solve for x
    x = 2,026,291,261.74/47,909.99
  6. Step 6: Final answer
    x = 42,293.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.