Home / 75,869.31-104,691.53-43,597.40

Finding the Fourth Proportional to 75,869.31, 104,691.53 and 43,597.40

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Solution

The fourth proportional to 75,869.31, 104,691.53 and 43,597.40 is: 60,159.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,869.31 : 104,691.53 = 43,597.40 : x
  2. Step 2: Convert to fraction form
    75,869.31/104,691.53 = 43,597.40/x
  3. Step 3: Cross multiply
    75,869.31x = 104,691.53 × 43,597.40
  4. Step 4: Simplify right side
    75,869.31x = 4,564,277,768.58
  5. Step 5: Solve for x
    x = 4,564,277,768.58/75,869.31
  6. Step 6: Final answer
    x = 60,159.74

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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.