Home / 85,036.26-127,551.56-45,670.26

Finding the Fourth Proportional to 85,036.26, 127,551.56 and 45,670.26

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Solution

The fourth proportional to 85,036.26, 127,551.56 and 45,670.26 is: 68,503.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,036.26 : 127,551.56 = 45,670.26 : x
  2. Step 2: Convert to fraction form
    85,036.26/127,551.56 = 45,670.26/x
  3. Step 3: Cross multiply
    85,036.26x = 127,551.56 × 45,670.26
  4. Step 4: Simplify right side
    85,036.26x = 5,825,312,680.25
  5. Step 5: Solve for x
    x = 5,825,312,680.25/85,036.26
  6. Step 6: Final answer
    x = 68,503.87

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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.