Home / 55,904.28-77,118.18-42,453.24

Finding the Fourth Proportional to 55,904.28, 77,118.18 and 42,453.24

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Solution

The fourth proportional to 55,904.28, 77,118.18 and 42,453.24 is: 58,562.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,904.28 : 77,118.18 = 42,453.24 : x
  2. Step 2: Convert to fraction form
    55,904.28/77,118.18 = 42,453.24/x
  3. Step 3: Cross multiply
    55,904.28x = 77,118.18 × 42,453.24
  4. Step 4: Simplify right side
    55,904.28x = 3,273,916,603.90
  5. Step 5: Solve for x
    x = 3,273,916,603.90/55,904.28
  6. Step 6: Final answer
    x = 58,562.90

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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.