Home / 49,411.80-74,117.70-29,680.20

Finding the Fourth Proportional to 49,411.80, 74,117.70 and 29,680.20

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Solution

The fourth proportional to 49,411.80, 74,117.70 and 29,680.20 is: 44,520.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,411.80 : 74,117.70 = 29,680.20 : x
  2. Step 2: Convert to fraction form
    49,411.80/74,117.70 = 29,680.20/x
  3. Step 3: Cross multiply
    49,411.80x = 74,117.70 × 29,680.20
  4. Step 4: Simplify right side
    49,411.80x = 2,199,828,159.54
  5. Step 5: Solve for x
    x = 2,199,828,159.54/49,411.80
  6. Step 6: Final answer
    x = 44,520.30

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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.