Home / 47,292.12-70,729.02-42,063.84

Finding the Fourth Proportional to 47,292.12, 70,729.02 and 42,063.84

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Solution

The fourth proportional to 47,292.12, 70,729.02 and 42,063.84 is: 62,909.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,292.12 : 70,729.02 = 42,063.84 : x
  2. Step 2: Convert to fraction form
    47,292.12/70,729.02 = 42,063.84/x
  3. Step 3: Cross multiply
    47,292.12x = 70,729.02 × 42,063.84
  4. Step 4: Simplify right side
    47,292.12x = 2,975,134,180.64
  5. Step 5: Solve for x
    x = 2,975,134,180.64/47,292.12
  6. Step 6: Final answer
    x = 62,909.72

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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.