Home / 85,259.52-127,883.88-26,089.56

Finding the Fourth Proportional to 85,259.52, 127,883.88 and 26,089.56

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Solution

The fourth proportional to 85,259.52, 127,883.88 and 26,089.56 is: 39,132.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,259.52 : 127,883.88 = 26,089.56 : x
  2. Step 2: Convert to fraction form
    85,259.52/127,883.88 = 26,089.56/x
  3. Step 3: Cross multiply
    85,259.52x = 127,883.88 × 26,089.56
  4. Step 4: Simplify right side
    85,259.52x = 3,336,434,160.29
  5. Step 5: Solve for x
    x = 3,336,434,160.29/85,259.52
  6. Step 6: Final answer
    x = 39,132.69

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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.