Home / 55,981.21-77,255.45-34,462.95

Finding the Fourth Proportional to 55,981.21, 77,255.45 and 34,462.95

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Solution

The fourth proportional to 55,981.21, 77,255.45 and 34,462.95 is: 47,559.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,981.21 : 77,255.45 = 34,462.95 : x
  2. Step 2: Convert to fraction form
    55,981.21/77,255.45 = 34,462.95/x
  3. Step 3: Cross multiply
    55,981.21x = 77,255.45 × 34,462.95
  4. Step 4: Simplify right side
    55,981.21x = 2,662,450,710.58
  5. Step 5: Solve for x
    x = 2,662,450,710.58/55,981.21
  6. Step 6: Final answer
    x = 47,559.72

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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.