Home / 84,776.66-127,166.20-25,612.84

Finding the Fourth Proportional to 84,776.66, 127,166.20 and 25,612.84

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Solution

The fourth proportional to 84,776.66, 127,166.20 and 25,612.84 is: 38,419.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,776.66 : 127,166.20 = 25,612.84 : x
  2. Step 2: Convert to fraction form
    84,776.66/127,166.20 = 25,612.84/x
  3. Step 3: Cross multiply
    84,776.66x = 127,166.20 × 25,612.84
  4. Step 4: Simplify right side
    84,776.66x = 3,257,087,534.01
  5. Step 5: Solve for x
    x = 3,257,087,534.01/84,776.66
  6. Step 6: Final answer
    x = 38,419.63

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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.