Home / 54,531.70-75,254.52-30,657.04

Finding the Fourth Proportional to 54,531.70, 75,254.52 and 30,657.04

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Solution

The fourth proportional to 54,531.70, 75,254.52 and 30,657.04 is: 42,307.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,531.70 : 75,254.52 = 30,657.04 : x
  2. Step 2: Convert to fraction form
    54,531.70/75,254.52 = 30,657.04/x
  3. Step 3: Cross multiply
    54,531.70x = 75,254.52 × 30,657.04
  4. Step 4: Simplify right side
    54,531.70x = 2,307,080,829.82
  5. Step 5: Solve for x
    x = 2,307,080,829.82/54,531.70
  6. Step 6: Final answer
    x = 42,307.15

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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.