Home / 54,339.03-74,970.18-31,672.89

Finding the Fourth Proportional to 54,339.03, 74,970.18 and 31,672.89

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Solution

The fourth proportional to 54,339.03, 74,970.18 and 31,672.89 is: 43,698.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,339.03 : 74,970.18 = 31,672.89 : x
  2. Step 2: Convert to fraction form
    54,339.03/74,970.18 = 31,672.89/x
  3. Step 3: Cross multiply
    54,339.03x = 74,970.18 × 31,672.89
  4. Step 4: Simplify right side
    54,339.03x = 2,374,522,264.42
  5. Step 5: Solve for x
    x = 2,374,522,264.42/54,339.03
  6. Step 6: Final answer
    x = 43,698.28

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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.