Home / 86,350.80-129,501.28-36,442.08

Finding the Fourth Proportional to 86,350.80, 129,501.28 and 36,442.08

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Solution

The fourth proportional to 86,350.80, 129,501.28 and 36,442.08 is: 54,652.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,350.80 : 129,501.28 = 36,442.08 : x
  2. Step 2: Convert to fraction form
    86,350.80/129,501.28 = 36,442.08/x
  3. Step 3: Cross multiply
    86,350.80x = 129,501.28 × 36,442.08
  4. Step 4: Simplify right side
    86,350.80x = 4,719,296,005.86
  5. Step 5: Solve for x
    x = 4,719,296,005.86/86,350.80
  6. Step 6: Final answer
    x = 54,652.60

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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.