Home / 74,118.65-111,276.99-42,560.24

Finding the Fourth Proportional to 74,118.65, 111,276.99 and 42,560.24

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Solution

The fourth proportional to 74,118.65, 111,276.99 and 42,560.24 is: 63,897.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,118.65 : 111,276.99 = 42,560.24 : x
  2. Step 2: Convert to fraction form
    74,118.65/111,276.99 = 42,560.24/x
  3. Step 3: Cross multiply
    74,118.65x = 111,276.99 × 42,560.24
  4. Step 4: Simplify right side
    74,118.65x = 4,735,974,844.49
  5. Step 5: Solve for x
    x = 4,735,974,844.49/74,118.65
  6. Step 6: Final answer
    x = 63,897.21

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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.