Home / 42,049.73-63,074.59-28,862.12

Finding the Fourth Proportional to 42,049.73, 63,074.59 and 28,862.12

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Solution

The fourth proportional to 42,049.73, 63,074.59 and 28,862.12 is: 43,293.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,049.73 : 63,074.59 = 28,862.12 : x
  2. Step 2: Convert to fraction form
    42,049.73/63,074.59 = 28,862.12/x
  3. Step 3: Cross multiply
    42,049.73x = 63,074.59 × 28,862.12
  4. Step 4: Simplify right side
    42,049.73x = 1,820,466,070.16
  5. Step 5: Solve for x
    x = 1,820,466,070.16/42,049.73
  6. Step 6: Final answer
    x = 43,293.17

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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.