Home / 74,414.13-102,680.73-42,577.08

Finding the Fourth Proportional to 74,414.13, 102,680.73 and 42,577.08

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Solution

The fourth proportional to 74,414.13, 102,680.73 and 42,577.08 is: 58,750.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,414.13 : 102,680.73 = 42,577.08 : x
  2. Step 2: Convert to fraction form
    74,414.13/102,680.73 = 42,577.08/x
  3. Step 3: Cross multiply
    74,414.13x = 102,680.73 × 42,577.08
  4. Step 4: Simplify right side
    74,414.13x = 4,371,845,655.67
  5. Step 5: Solve for x
    x = 4,371,845,655.67/74,414.13
  6. Step 6: Final answer
    x = 58,750.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.