Home / 83,460.74-125,273.13-61,210.75

Finding the Fourth Proportional to 83,460.74, 125,273.13 and 61,210.75

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Solution

The fourth proportional to 83,460.74, 125,273.13 and 61,210.75 is: 91,876.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,460.74 : 125,273.13 = 61,210.75 : x
  2. Step 2: Convert to fraction form
    83,460.74/125,273.13 = 61,210.75/x
  3. Step 3: Cross multiply
    83,460.74x = 125,273.13 × 61,210.75
  4. Step 4: Simplify right side
    83,460.74x = 7,668,062,242.15
  5. Step 5: Solve for x
    x = 7,668,062,242.15/83,460.74
  6. Step 6: Final answer
    x = 91,876.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.