Home / 86,621.57-129,948.56-27,441.35

Finding the Fourth Proportional to 86,621.57, 129,948.56 and 27,441.35

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Solution

The fourth proportional to 86,621.57, 129,948.56 and 27,441.35 is: 41,167.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,621.57 : 129,948.56 = 27,441.35 : x
  2. Step 2: Convert to fraction form
    86,621.57/129,948.56 = 27,441.35/x
  3. Step 3: Cross multiply
    86,621.57x = 129,948.56 × 27,441.35
  4. Step 4: Simplify right side
    86,621.57x = 3,565,963,779.75
  5. Step 5: Solve for x
    x = 3,565,963,779.75/86,621.57
  6. Step 6: Final answer
    x = 41,167.16

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1.5x scale

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.