Home / 74,302.47-111,628.66-60,538.95

Finding the Fourth Proportional to 74,302.47, 111,628.66 and 60,538.95

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Solution

The fourth proportional to 74,302.47, 111,628.66 and 60,538.95 is: 90,950.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,302.47 : 111,628.66 = 60,538.95 : x
  2. Step 2: Convert to fraction form
    74,302.47/111,628.66 = 60,538.95/x
  3. Step 3: Cross multiply
    74,302.47x = 111,628.66 × 60,538.95
  4. Step 4: Simplify right side
    74,302.47x = 6,757,881,866.31
  5. Step 5: Solve for x
    x = 6,757,881,866.31/74,302.47
  6. Step 6: Final answer
    x = 90,950.97

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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.