Home / 85,223.40-127,854.30-26,061.80

Finding the Fourth Proportional to 85,223.40, 127,854.30 and 26,061.80

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Solution

The fourth proportional to 85,223.40, 127,854.30 and 26,061.80 is: 39,098.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,223.40 : 127,854.30 = 26,061.80 : x
  2. Step 2: Convert to fraction form
    85,223.40/127,854.30 = 26,061.80/x
  3. Step 3: Cross multiply
    85,223.40x = 127,854.30 × 26,061.80
  4. Step 4: Simplify right side
    85,223.40x = 3,332,113,195.74
  5. Step 5: Solve for x
    x = 3,332,113,195.74/85,223.40
  6. Step 6: Final answer
    x = 39,098.57

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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.