Home / 84,847.57-127,324.95-47,432.18

Finding the Fourth Proportional to 84,847.57, 127,324.95 and 47,432.18

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Solution

The fourth proportional to 84,847.57, 127,324.95 and 47,432.18 is: 71,178.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,847.57 : 127,324.95 = 47,432.18 : x
  2. Step 2: Convert to fraction form
    84,847.57/127,324.95 = 47,432.18/x
  3. Step 3: Cross multiply
    84,847.57x = 127,324.95 × 47,432.18
  4. Step 4: Simplify right side
    84,847.57x = 6,039,300,265.20
  5. Step 5: Solve for x
    x = 6,039,300,265.20/84,847.57
  6. Step 6: Final answer
    x = 71,178.24

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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.