Home / 84,920.90-127,381.64-25,757.07

Finding the Fourth Proportional to 84,920.90, 127,381.64 and 25,757.07

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Solution

The fourth proportional to 84,920.90, 127,381.64 and 25,757.07 is: 38,635.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,920.90 : 127,381.64 = 25,757.07 : x
  2. Step 2: Convert to fraction form
    84,920.90/127,381.64 = 25,757.07/x
  3. Step 3: Cross multiply
    84,920.90x = 127,381.64 × 25,757.07
  4. Step 4: Simplify right side
    84,920.90x = 3,280,977,689.41
  5. Step 5: Solve for x
    x = 3,280,977,689.41/84,920.90
  6. Step 6: Final answer
    x = 38,635.69

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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.