Home / 89,020.35-122,837.18-70,917.18

Finding the Fourth Proportional to 89,020.35, 122,837.18 and 70,917.18

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Solution

The fourth proportional to 89,020.35, 122,837.18 and 70,917.18 is: 97,857.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,020.35 : 122,837.18 = 70,917.18 : x
  2. Step 2: Convert to fraction form
    89,020.35/122,837.18 = 70,917.18/x
  3. Step 3: Cross multiply
    89,020.35x = 122,837.18 × 70,917.18
  4. Step 4: Simplify right side
    89,020.35x = 8,711,266,050.17
  5. Step 5: Solve for x
    x = 8,711,266,050.17/89,020.35
  6. Step 6: Final answer
    x = 97,857.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.