Home / 85,094.26-127,641.42-38,292.46

Finding the Fourth Proportional to 85,094.26, 127,641.42 and 38,292.46

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Solution

The fourth proportional to 85,094.26, 127,641.42 and 38,292.46 is: 57,438.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,094.26 : 127,641.42 = 38,292.46 : x
  2. Step 2: Convert to fraction form
    85,094.26/127,641.42 = 38,292.46/x
  3. Step 3: Cross multiply
    85,094.26x = 127,641.42 × 38,292.46
  4. Step 4: Simplify right side
    85,094.26x = 4,887,703,969.69
  5. Step 5: Solve for x
    x = 4,887,703,969.69/85,094.26
  6. Step 6: Final answer
    x = 57,438.70

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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.