Home / 54,298.19-74,934.50-30,432.53

Finding the Fourth Proportional to 54,298.19, 74,934.50 and 30,432.53

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Solution

The fourth proportional to 54,298.19, 74,934.50 and 30,432.53 is: 41,998.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,298.19 : 74,934.50 = 30,432.53 : x
  2. Step 2: Convert to fraction form
    54,298.19/74,934.50 = 30,432.53/x
  3. Step 3: Cross multiply
    54,298.19x = 74,934.50 × 30,432.53
  4. Step 4: Simplify right side
    54,298.19x = 2,280,445,892.45
  5. Step 5: Solve for x
    x = 2,280,445,892.45/54,298.19
  6. Step 6: Final answer
    x = 41,998.57

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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.