Home / 84,663.10-126,985.74-34,748.47

Finding the Fourth Proportional to 84,663.10, 126,985.74 and 34,748.47

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Solution

The fourth proportional to 84,663.10, 126,985.74 and 34,748.47 is: 52,119.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,663.10 : 126,985.74 = 34,748.47 : x
  2. Step 2: Convert to fraction form
    84,663.10/126,985.74 = 34,748.47/x
  3. Step 3: Cross multiply
    84,663.10x = 126,985.74 × 34,748.47
  4. Step 4: Simplify right side
    84,663.10x = 4,412,560,176.82
  5. Step 5: Solve for x
    x = 4,412,560,176.82/84,663.10
  6. Step 6: Final answer
    x = 52,119.05

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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.