Home / 54,487.86-75,202.16-45,398.81

Finding the Fourth Proportional to 54,487.86, 75,202.16 and 45,398.81

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Solution

The fourth proportional to 54,487.86, 75,202.16 and 45,398.81 is: 62,657.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,487.86 : 75,202.16 = 45,398.81 : x
  2. Step 2: Convert to fraction form
    54,487.86/75,202.16 = 45,398.81/x
  3. Step 3: Cross multiply
    54,487.86x = 75,202.16 × 45,398.81
  4. Step 4: Simplify right side
    54,487.86x = 3,414,087,970.42
  5. Step 5: Solve for x
    x = 3,414,087,970.42/54,487.86
  6. Step 6: Final answer
    x = 62,657.77

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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.