Home / 98,687.04-148,046.08-42,543.10

Finding the Fourth Proportional to 98,687.04, 148,046.08 and 42,543.10

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Solution

The fourth proportional to 98,687.04, 148,046.08 and 42,543.10 is: 63,821.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,687.04 : 148,046.08 = 42,543.10 : x
  2. Step 2: Convert to fraction form
    98,687.04/148,046.08 = 42,543.10/x
  3. Step 3: Cross multiply
    98,687.04x = 148,046.08 × 42,543.10
  4. Step 4: Simplify right side
    98,687.04x = 6,298,338,973.33
  5. Step 5: Solve for x
    x = 6,298,338,973.33/98,687.04
  6. Step 6: Final answer
    x = 63,821.34

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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.