Home / 85,990.39-129,036.34-32,727.22

Finding the Fourth Proportional to 85,990.39, 129,036.34 and 32,727.22

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Solution

The fourth proportional to 85,990.39, 129,036.34 and 32,727.22 is: 49,110.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,990.39 : 129,036.34 = 32,727.22 : x
  2. Step 2: Convert to fraction form
    85,990.39/129,036.34 = 32,727.22/x
  3. Step 3: Cross multiply
    85,990.39x = 129,036.34 × 32,727.22
  4. Step 4: Simplify right side
    85,990.39x = 4,223,000,110.81
  5. Step 5: Solve for x
    x = 4,223,000,110.81/85,990.39
  6. Step 6: Final answer
    x = 49,110.14

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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.