Home / 49,543.80-74,315.70-29,812.20

Finding the Fourth Proportional to 49,543.80, 74,315.70 and 29,812.20

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Solution

The fourth proportional to 49,543.80, 74,315.70 and 29,812.20 is: 44,718.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,543.80 : 74,315.70 = 29,812.20 : x
  2. Step 2: Convert to fraction form
    49,543.80/74,315.70 = 29,812.20/x
  3. Step 3: Cross multiply
    49,543.80x = 74,315.70 × 29,812.20
  4. Step 4: Simplify right side
    49,543.80x = 2,215,514,511.54
  5. Step 5: Solve for x
    x = 2,215,514,511.54/49,543.80
  6. Step 6: Final answer
    x = 44,718.30

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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.