Home / 85,727.41-128,599.58-29,560.13

Finding the Fourth Proportional to 85,727.41, 128,599.58 and 29,560.13

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Solution

The fourth proportional to 85,727.41, 128,599.58 and 29,560.13 is: 44,343.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,727.41 : 128,599.58 = 29,560.13 : x
  2. Step 2: Convert to fraction form
    85,727.41/128,599.58 = 29,560.13/x
  3. Step 3: Cross multiply
    85,727.41x = 128,599.58 × 29,560.13
  4. Step 4: Simplify right side
    85,727.41x = 3,801,420,302.75
  5. Step 5: Solve for x
    x = 3,801,420,302.75/85,727.41
  6. Step 6: Final answer
    x = 44,343.11

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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.