Home / 83,670.76-115,466.07-47,862.28

Finding the Fourth Proportional to 83,670.76, 115,466.07 and 47,862.28

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Solution

The fourth proportional to 83,670.76, 115,466.07 and 47,862.28 is: 66,050.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,670.76 : 115,466.07 = 47,862.28 : x
  2. Step 2: Convert to fraction form
    83,670.76/115,466.07 = 47,862.28/x
  3. Step 3: Cross multiply
    83,670.76x = 115,466.07 × 47,862.28
  4. Step 4: Simplify right side
    83,670.76x = 5,526,469,372.84
  5. Step 5: Solve for x
    x = 5,526,469,372.84/83,670.76
  6. Step 6: Final answer
    x = 66,050.19

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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.