Home / 86,352.98-129,546.93-36,433.20

Finding the Fourth Proportional to 86,352.98, 129,546.93 and 36,433.20

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Solution

The fourth proportional to 86,352.98, 129,546.93 and 36,433.20 is: 54,657.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,352.98 : 129,546.93 = 36,433.20 : x
  2. Step 2: Convert to fraction form
    86,352.98/129,546.93 = 36,433.20/x
  3. Step 3: Cross multiply
    86,352.98x = 129,546.93 × 36,433.20
  4. Step 4: Simplify right side
    86,352.98x = 4,719,808,471.26
  5. Step 5: Solve for x
    x = 4,719,808,471.26/86,352.98
  6. Step 6: Final answer
    x = 54,657.16

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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.