Home / 86,598.11-119,587.92-81,880.60

Finding the Fourth Proportional to 86,598.11, 119,587.92 and 81,880.60

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Solution

The fourth proportional to 86,598.11, 119,587.92 and 81,880.60 is: 113,073.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,598.11 : 119,587.92 = 81,880.60 : x
  2. Step 2: Convert to fraction form
    86,598.11/119,587.92 = 81,880.60/x
  3. Step 3: Cross multiply
    86,598.11x = 119,587.92 × 81,880.60
  4. Step 4: Simplify right side
    86,598.11x = 9,791,930,044.41
  5. Step 5: Solve for x
    x = 9,791,930,044.41/86,598.11
  6. Step 6: Final answer
    x = 113,073.26

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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.