Home / 85,221.68-127,838.46-26,052.80

Finding the Fourth Proportional to 85,221.68, 127,838.46 and 26,052.80

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Solution

The fourth proportional to 85,221.68, 127,838.46 and 26,052.80 is: 39,081.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,221.68 : 127,838.46 = 26,052.80 : x
  2. Step 2: Convert to fraction form
    85,221.68/127,838.46 = 26,052.80/x
  3. Step 3: Cross multiply
    85,221.68x = 127,838.46 × 26,052.80
  4. Step 4: Simplify right side
    85,221.68x = 3,330,549,830.69
  5. Step 5: Solve for x
    x = 3,330,549,830.69/85,221.68
  6. Step 6: Final answer
    x = 39,081.02

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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.