Home / 102,284.99-153,356.17-45,327.87

Finding the Fourth Proportional to 102,284.99, 153,356.17 and 45,327.87

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Solution

The fourth proportional to 102,284.99, 153,356.17 and 45,327.87 is: 67,960.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,284.99 : 153,356.17 = 45,327.87 : x
  2. Step 2: Convert to fraction form
    102,284.99/153,356.17 = 45,327.87/x
  3. Step 3: Cross multiply
    102,284.99x = 153,356.17 × 45,327.87
  4. Step 4: Simplify right side
    102,284.99x = 6,951,308,537.46
  5. Step 5: Solve for x
    x = 6,951,308,537.46/102,284.99
  6. Step 6: Final answer
    x = 67,960.20

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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.