Home / 86,037.97-129,139.04-52,822.91

Finding the Fourth Proportional to 86,037.97, 129,139.04 and 52,822.91

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Solution

The fourth proportional to 86,037.97, 129,139.04 and 52,822.91 is: 79,284.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,037.97 : 129,139.04 = 52,822.91 : x
  2. Step 2: Convert to fraction form
    86,037.97/129,139.04 = 52,822.91/x
  3. Step 3: Cross multiply
    86,037.97x = 129,139.04 × 52,822.91
  4. Step 4: Simplify right side
    86,037.97x = 6,821,499,241.71
  5. Step 5: Solve for x
    x = 6,821,499,241.71/86,037.97
  6. Step 6: Final answer
    x = 79,284.76

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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.