Home / 75,666.07-104,387.79-45,032.95

Finding the Fourth Proportional to 75,666.07, 104,387.79 and 45,032.95

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Solution

The fourth proportional to 75,666.07, 104,387.79 and 45,032.95 is: 62,126.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,666.07 : 104,387.79 = 45,032.95 : x
  2. Step 2: Convert to fraction form
    75,666.07/104,387.79 = 45,032.95/x
  3. Step 3: Cross multiply
    75,666.07x = 104,387.79 × 45,032.95
  4. Step 4: Simplify right side
    75,666.07x = 4,700,890,127.68
  5. Step 5: Solve for x
    x = 4,700,890,127.68/75,666.07
  6. Step 6: Final answer
    x = 62,126.79

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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.