Home / 86,360.05-129,484.44-36,426.79

Finding the Fourth Proportional to 86,360.05, 129,484.44 and 36,426.79

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Solution

The fourth proportional to 86,360.05, 129,484.44 and 36,426.79 is: 54,616.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,360.05 : 129,484.44 = 36,426.79 : x
  2. Step 2: Convert to fraction form
    86,360.05/129,484.44 = 36,426.79/x
  3. Step 3: Cross multiply
    86,360.05x = 129,484.44 × 36,426.79
  4. Step 4: Simplify right side
    86,360.05x = 4,716,702,666.00
  5. Step 5: Solve for x
    x = 4,716,702,666.00/86,360.05
  6. Step 6: Final answer
    x = 54,616.72

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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.