Home / 110,961.65-153,084.03-70,668.20

Finding the Fourth Proportional to 110,961.65, 153,084.03 and 70,668.20

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Solution

The fourth proportional to 110,961.65, 153,084.03 and 70,668.20 is: 97,494.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,961.65 : 153,084.03 = 70,668.20 : x
  2. Step 2: Convert to fraction form
    110,961.65/153,084.03 = 70,668.20/x
  3. Step 3: Cross multiply
    110,961.65x = 153,084.03 × 70,668.20
  4. Step 4: Simplify right side
    110,961.65x = 10,818,172,083.43
  5. Step 5: Solve for x
    x = 10,818,172,083.43/110,961.65
  6. Step 6: Final answer
    x = 97,494.70

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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.