Home / 52,386.97-72,300.17-29,420.56

Finding the Fourth Proportional to 52,386.97, 72,300.17 and 29,420.56

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Solution

The fourth proportional to 52,386.97, 72,300.17 and 29,420.56 is: 40,603.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,386.97 : 72,300.17 = 29,420.56 : x
  2. Step 2: Convert to fraction form
    52,386.97/72,300.17 = 29,420.56/x
  3. Step 3: Cross multiply
    52,386.97x = 72,300.17 × 29,420.56
  4. Step 4: Simplify right side
    52,386.97x = 2,127,111,543.09
  5. Step 5: Solve for x
    x = 2,127,111,543.09/52,386.97
  6. Step 6: Final answer
    x = 40,603.83

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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.