Home / 86,353.08-129,547.08-36,433.29

Finding the Fourth Proportional to 86,353.08, 129,547.08 and 36,433.29

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Solution

The fourth proportional to 86,353.08, 129,547.08 and 36,433.29 is: 54,657.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,353.08 : 129,547.08 = 36,433.29 : x
  2. Step 2: Convert to fraction form
    86,353.08/129,547.08 = 36,433.29/x
  3. Step 3: Cross multiply
    86,353.08x = 129,547.08 × 36,433.29
  4. Step 4: Simplify right side
    86,353.08x = 4,719,826,334.29
  5. Step 5: Solve for x
    x = 4,719,826,334.29/86,353.08
  6. Step 6: Final answer
    x = 54,657.30

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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.