Home / 85,320.57-127,999.53-26,160.87

Finding the Fourth Proportional to 85,320.57, 127,999.53 and 26,160.87

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Solution

The fourth proportional to 85,320.57, 127,999.53 and 26,160.87 is: 39,247.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,320.57 : 127,999.53 = 26,160.87 : x
  2. Step 2: Convert to fraction form
    85,320.57/127,999.53 = 26,160.87/x
  3. Step 3: Cross multiply
    85,320.57x = 127,999.53 × 26,160.87
  4. Step 4: Simplify right side
    85,320.57x = 3,348,579,064.39
  5. Step 5: Solve for x
    x = 3,348,579,064.39/85,320.57
  6. Step 6: Final answer
    x = 39,247.03

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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.