Home / 83,841.10-115,603.93-66,832.16

Finding the Fourth Proportional to 83,841.10, 115,603.93 and 66,832.16

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Solution

The fourth proportional to 83,841.10, 115,603.93 and 66,832.16 is: 92,151.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,841.10 : 115,603.93 = 66,832.16 : x
  2. Step 2: Convert to fraction form
    83,841.10/115,603.93 = 66,832.16/x
  3. Step 3: Cross multiply
    83,841.10x = 115,603.93 × 66,832.16
  4. Step 4: Simplify right side
    83,841.10x = 7,726,060,346.39
  5. Step 5: Solve for x
    x = 7,726,060,346.39/83,841.10
  6. Step 6: Final answer
    x = 92,151.23

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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.