Home / 112,427.50-155,149.95-62,134.06

Finding the Fourth Proportional to 112,427.50, 155,149.95 and 62,134.06

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Solution

The fourth proportional to 112,427.50, 155,149.95 and 62,134.06 is: 85,745.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,427.50 : 155,149.95 = 62,134.06 : x
  2. Step 2: Convert to fraction form
    112,427.50/155,149.95 = 62,134.06/x
  3. Step 3: Cross multiply
    112,427.50x = 155,149.95 × 62,134.06
  4. Step 4: Simplify right side
    112,427.50x = 9,640,096,302.30
  5. Step 5: Solve for x
    x = 9,640,096,302.30/112,427.50
  6. Step 6: Final answer
    x = 85,745.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.