Home / 85,279.17-127,919.07-26,114.60

Finding the Fourth Proportional to 85,279.17, 127,919.07 and 26,114.60

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Solution

The fourth proportional to 85,279.17, 127,919.07 and 26,114.60 is: 39,172.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,279.17 : 127,919.07 = 26,114.60 : x
  2. Step 2: Convert to fraction form
    85,279.17/127,919.07 = 26,114.60/x
  3. Step 3: Cross multiply
    85,279.17x = 127,919.07 × 26,114.60
  4. Step 4: Simplify right side
    85,279.17x = 3,340,555,345.42
  5. Step 5: Solve for x
    x = 3,340,555,345.42/85,279.17
  6. Step 6: Final answer
    x = 39,172.00

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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.