Home / 85,159.23-127,757.61-25,999.53

Finding the Fourth Proportional to 85,159.23, 127,757.61 and 25,999.53

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Solution

The fourth proportional to 85,159.23, 127,757.61 and 25,999.53 is: 39,005.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,159.23 : 127,757.61 = 25,999.53 : x
  2. Step 2: Convert to fraction form
    85,159.23/127,757.61 = 25,999.53/x
  3. Step 3: Cross multiply
    85,159.23x = 127,757.61 × 25,999.53
  4. Step 4: Simplify right side
    85,159.23x = 3,321,637,813.92
  5. Step 5: Solve for x
    x = 3,321,637,813.92/85,159.23
  6. Step 6: Final answer
    x = 39,005.02

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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.