Home / 102,427.34-153,501.68-60,326.78

Finding the Fourth Proportional to 102,427.34, 153,501.68 and 60,326.78

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Solution

The fourth proportional to 102,427.34, 153,501.68 and 60,326.78 is: 90,408.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,427.34 : 153,501.68 = 60,326.78 : x
  2. Step 2: Convert to fraction form
    102,427.34/153,501.68 = 60,326.78/x
  3. Step 3: Cross multiply
    102,427.34x = 153,501.68 × 60,326.78
  4. Step 4: Simplify right side
    102,427.34x = 9,260,261,462.30
  5. Step 5: Solve for x
    x = 9,260,261,462.30/102,427.34
  6. Step 6: Final answer
    x = 90,408.11

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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.