Home / 48,425.67-72,139.14-46,956.78

Finding the Fourth Proportional to 48,425.67, 72,139.14 and 46,956.78

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Solution

The fourth proportional to 48,425.67, 72,139.14 and 46,956.78 is: 69,950.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,425.67 : 72,139.14 = 46,956.78 : x
  2. Step 2: Convert to fraction form
    48,425.67/72,139.14 = 46,956.78/x
  3. Step 3: Cross multiply
    48,425.67x = 72,139.14 × 46,956.78
  4. Step 4: Simplify right side
    48,425.67x = 3,387,421,726.37
  5. Step 5: Solve for x
    x = 3,387,421,726.37/48,425.67
  6. Step 6: Final answer
    x = 69,950.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.