Home / 83,135.17-114,726.69-45,409.42

Finding the Fourth Proportional to 83,135.17, 114,726.69 and 45,409.42

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Solution

The fourth proportional to 83,135.17, 114,726.69 and 45,409.42 is: 62,665.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,135.17 : 114,726.69 = 45,409.42 : x
  2. Step 2: Convert to fraction form
    83,135.17/114,726.69 = 45,409.42/x
  3. Step 3: Cross multiply
    83,135.17x = 114,726.69 × 45,409.42
  4. Step 4: Simplify right side
    83,135.17x = 5,209,672,451.42
  5. Step 5: Solve for x
    x = 5,209,672,451.42/83,135.17
  6. Step 6: Final answer
    x = 62,665.08

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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.