Home / 84,846.48-127,248.72-28,685.34

Finding the Fourth Proportional to 84,846.48, 127,248.72 and 28,685.34

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Solution

The fourth proportional to 84,846.48, 127,248.72 and 28,685.34 is: 43,020.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,846.48 : 127,248.72 = 28,685.34 : x
  2. Step 2: Convert to fraction form
    84,846.48/127,248.72 = 28,685.34/x
  3. Step 3: Cross multiply
    84,846.48x = 127,248.72 × 28,685.34
  4. Step 4: Simplify right side
    84,846.48x = 3,650,172,797.76
  5. Step 5: Solve for x
    x = 3,650,172,797.76/84,846.48
  6. Step 6: Final answer
    x = 43,020.91

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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.