Home / 87,273.84-120,430.51-49,030.39

Finding the Fourth Proportional to 87,273.84, 120,430.51 and 49,030.39

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Solution

The fourth proportional to 87,273.84, 120,430.51 and 49,030.39 is: 67,657.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,273.84 : 120,430.51 = 49,030.39 : x
  2. Step 2: Convert to fraction form
    87,273.84/120,430.51 = 49,030.39/x
  3. Step 3: Cross multiply
    87,273.84x = 120,430.51 × 49,030.39
  4. Step 4: Simplify right side
    87,273.84x = 5,904,754,901.16
  5. Step 5: Solve for x
    x = 5,904,754,901.16/87,273.84
  6. Step 6: Final answer
    x = 67,657.78

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1.5x scale

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.