Home / 85,278.93-127,918.70-26,114.34

Finding the Fourth Proportional to 85,278.93, 127,918.70 and 26,114.34

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Solution

The fourth proportional to 85,278.93, 127,918.70 and 26,114.34 is: 39,171.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,278.93 : 127,918.70 = 26,114.34 : x
  2. Step 2: Convert to fraction form
    85,278.93/127,918.70 = 26,114.34/x
  3. Step 3: Cross multiply
    85,278.93x = 127,918.70 × 26,114.34
  4. Step 4: Simplify right side
    85,278.93x = 3,340,512,293.59
  5. Step 5: Solve for x
    x = 3,340,512,293.59/85,278.93
  6. Step 6: Final answer
    x = 39,171.60

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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.