Home / 49,834.80-74,675.40-42,001.20

Finding the Fourth Proportional to 49,834.80, 74,675.40 and 42,001.20

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Solution

The fourth proportional to 49,834.80, 74,675.40 and 42,001.20 is: 62,937.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,834.80 : 74,675.40 = 42,001.20 : x
  2. Step 2: Convert to fraction form
    49,834.80/74,675.40 = 42,001.20/x
  3. Step 3: Cross multiply
    49,834.80x = 74,675.40 × 42,001.20
  4. Step 4: Simplify right side
    49,834.80x = 3,136,456,410.48
  5. Step 5: Solve for x
    x = 3,136,456,410.48/49,834.80
  6. Step 6: Final answer
    x = 62,937.07

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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.