Home / 85,389.14-127,996.20-35,498.18

Finding the Fourth Proportional to 85,389.14, 127,996.20 and 35,498.18

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Solution

The fourth proportional to 85,389.14, 127,996.20 and 35,498.18 is: 53,210.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,389.14 : 127,996.20 = 35,498.18 : x
  2. Step 2: Convert to fraction form
    85,389.14/127,996.20 = 35,498.18/x
  3. Step 3: Cross multiply
    85,389.14x = 127,996.20 × 35,498.18
  4. Step 4: Simplify right side
    85,389.14x = 4,543,632,146.92
  5. Step 5: Solve for x
    x = 4,543,632,146.92/85,389.14
  6. Step 6: Final answer
    x = 53,210.89

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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.