Home / 48,434.78-66,840.60-29,314.31

Finding the Fourth Proportional to 48,434.78, 66,840.60 and 29,314.31

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Solution

The fourth proportional to 48,434.78, 66,840.60 and 29,314.31 is: 40,454.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,434.78 : 66,840.60 = 29,314.31 : x
  2. Step 2: Convert to fraction form
    48,434.78/66,840.60 = 29,314.31/x
  3. Step 3: Cross multiply
    48,434.78x = 66,840.60 × 29,314.31
  4. Step 4: Simplify right side
    48,434.78x = 1,959,386,068.99
  5. Step 5: Solve for x
    x = 1,959,386,068.99/48,434.78
  6. Step 6: Final answer
    x = 40,454.11

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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.