Home / 74,293.11-102,499.56-42,439.46

Finding the Fourth Proportional to 74,293.11, 102,499.56 and 42,439.46

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Solution

The fourth proportional to 74,293.11, 102,499.56 and 42,439.46 is: 58,552.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,293.11 : 102,499.56 = 42,439.46 : x
  2. Step 2: Convert to fraction form
    74,293.11/102,499.56 = 42,439.46/x
  3. Step 3: Cross multiply
    74,293.11x = 102,499.56 × 42,439.46
  4. Step 4: Simplify right side
    74,293.11x = 4,350,025,464.14
  5. Step 5: Solve for x
    x = 4,350,025,464.14/74,293.11
  6. Step 6: Final answer
    x = 58,552.21

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1.5x scale

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.