Home / 98,945.74-136,549.56-70,296.04

Finding the Fourth Proportional to 98,945.74, 136,549.56 and 70,296.04

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Solution

The fourth proportional to 98,945.74, 136,549.56 and 70,296.04 is: 97,011.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,945.74 : 136,549.56 = 70,296.04 : x
  2. Step 2: Convert to fraction form
    98,945.74/136,549.56 = 70,296.04/x
  3. Step 3: Cross multiply
    98,945.74x = 136,549.56 × 70,296.04
  4. Step 4: Simplify right side
    98,945.74x = 9,598,893,331.74
  5. Step 5: Solve for x
    x = 9,598,893,331.74/98,945.74
  6. Step 6: Final answer
    x = 97,011.69

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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.