Home / 55,989.29-77,263.94-30,494.95

Finding the Fourth Proportional to 55,989.29, 77,263.94 and 30,494.95

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Solution

The fourth proportional to 55,989.29, 77,263.94 and 30,494.95 is: 42,082.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,989.29 : 77,263.94 = 30,494.95 : x
  2. Step 2: Convert to fraction form
    55,989.29/77,263.94 = 30,494.95/x
  3. Step 3: Cross multiply
    55,989.29x = 77,263.94 × 30,494.95
  4. Step 4: Simplify right side
    55,989.29x = 2,356,159,870.18
  5. Step 5: Solve for x
    x = 2,356,159,870.18/55,989.29
  6. Step 6: Final answer
    x = 42,082.33

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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.