Home / 84,922.08-127,401.12-28,759.50

Finding the Fourth Proportional to 84,922.08, 127,401.12 and 28,759.50

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Solution

The fourth proportional to 84,922.08, 127,401.12 and 28,759.50 is: 43,145.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,922.08 : 127,401.12 = 28,759.50 : x
  2. Step 2: Convert to fraction form
    84,922.08/127,401.12 = 28,759.50/x
  3. Step 3: Cross multiply
    84,922.08x = 127,401.12 × 28,759.50
  4. Step 4: Simplify right side
    84,922.08x = 3,663,992,510.64
  5. Step 5: Solve for x
    x = 3,663,992,510.64/84,922.08
  6. Step 6: Final answer
    x = 43,145.35

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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.