Home / 49,681.60-74,425.20-29,901.40

Finding the Fourth Proportional to 49,681.60, 74,425.20 and 29,901.40

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Solution

The fourth proportional to 49,681.60, 74,425.20 and 29,901.40 is: 44,793.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,681.60 : 74,425.20 = 29,901.40 : x
  2. Step 2: Convert to fraction form
    49,681.60/74,425.20 = 29,901.40/x
  3. Step 3: Cross multiply
    49,681.60x = 74,425.20 × 29,901.40
  4. Step 4: Simplify right side
    49,681.60x = 2,225,417,675.28
  5. Step 5: Solve for x
    x = 2,225,417,675.28/49,681.60
  6. Step 6: Final answer
    x = 44,793.60

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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.