Home / 85,348.68-127,774.98-49,701.18

Finding the Fourth Proportional to 85,348.68, 127,774.98 and 49,701.18

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Solution

The fourth proportional to 85,348.68, 127,774.98 and 49,701.18 is: 74,407.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,348.68 : 127,774.98 = 49,701.18 : x
  2. Step 2: Convert to fraction form
    85,348.68/127,774.98 = 49,701.18/x
  3. Step 3: Cross multiply
    85,348.68x = 127,774.98 × 49,701.18
  4. Step 4: Simplify right side
    85,348.68x = 6,350,567,280.48
  5. Step 5: Solve for x
    x = 6,350,567,280.48/85,348.68
  6. Step 6: Final answer
    x = 74,407.33

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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.