Home / 54,442.78-75,130.68-34,312.66

Finding the Fourth Proportional to 54,442.78, 75,130.68 and 34,312.66

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Solution

The fourth proportional to 54,442.78, 75,130.68 and 34,312.66 is: 47,351.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,442.78 : 75,130.68 = 34,312.66 : x
  2. Step 2: Convert to fraction form
    54,442.78/75,130.68 = 34,312.66/x
  3. Step 3: Cross multiply
    54,442.78x = 75,130.68 × 34,312.66
  4. Step 4: Simplify right side
    54,442.78x = 2,577,933,478.41
  5. Step 5: Solve for x
    x = 2,577,933,478.41/54,442.78
  6. Step 6: Final answer
    x = 47,351.25

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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.