Home / 85,273.13-127,915.76-26,101.10

Finding the Fourth Proportional to 85,273.13, 127,915.76 and 26,101.10

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Solution

The fourth proportional to 85,273.13, 127,915.76 and 26,101.10 is: 39,153.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,273.13 : 127,915.76 = 26,101.10 : x
  2. Step 2: Convert to fraction form
    85,273.13/127,915.76 = 26,101.10/x
  3. Step 3: Cross multiply
    85,273.13x = 127,915.76 × 26,101.10
  4. Step 4: Simplify right side
    85,273.13x = 3,338,741,273.25
  5. Step 5: Solve for x
    x = 3,338,741,273.25/85,273.13
  6. Step 6: Final answer
    x = 39,153.50

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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.