Home / 85,242.03-127,858.41-26,077.70

Finding the Fourth Proportional to 85,242.03, 127,858.41 and 26,077.70

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Solution

The fourth proportional to 85,242.03, 127,858.41 and 26,077.70 is: 39,115.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,242.03 : 127,858.41 = 26,077.70 : x
  2. Step 2: Convert to fraction form
    85,242.03/127,858.41 = 26,077.70/x
  3. Step 3: Cross multiply
    85,242.03x = 127,858.41 × 26,077.70
  4. Step 4: Simplify right side
    85,242.03x = 3,334,253,258.46
  5. Step 5: Solve for x
    x = 3,334,253,258.46/85,242.03
  6. Step 6: Final answer
    x = 39,115.13

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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.