Home / 85,833.20-128,750.04-26,677.52

Finding the Fourth Proportional to 85,833.20, 128,750.04 and 26,677.52

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Solution

The fourth proportional to 85,833.20, 128,750.04 and 26,677.52 is: 40,016.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,833.20 : 128,750.04 = 26,677.52 : x
  2. Step 2: Convert to fraction form
    85,833.20/128,750.04 = 26,677.52/x
  3. Step 3: Cross multiply
    85,833.20x = 128,750.04 × 26,677.52
  4. Step 4: Simplify right side
    85,833.20x = 3,434,731,767.10
  5. Step 5: Solve for x
    x = 3,434,731,767.10/85,833.20
  6. Step 6: Final answer
    x = 40,016.35

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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.