Home / 47,729.40-71,594.10-45,323.70

Finding the Fourth Proportional to 47,729.40, 71,594.10 and 45,323.70

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Solution

The fourth proportional to 47,729.40, 71,594.10 and 45,323.70 is: 67,985.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,729.40 : 71,594.10 = 45,323.70 : x
  2. Step 2: Convert to fraction form
    47,729.40/71,594.10 = 45,323.70/x
  3. Step 3: Cross multiply
    47,729.40x = 71,594.10 × 45,323.70
  4. Step 4: Simplify right side
    47,729.40x = 3,244,909,510.17
  5. Step 5: Solve for x
    x = 3,244,909,510.17/47,729.40
  6. Step 6: Final answer
    x = 67,985.55

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1.5x scale

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.