Home / 57,983.12-79,417.15-54,578.69

Finding the Fourth Proportional to 57,983.12, 79,417.15 and 54,578.69

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Solution

The fourth proportional to 57,983.12, 79,417.15 and 54,578.69 is: 74,754.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,983.12 : 79,417.15 = 54,578.69 : x
  2. Step 2: Convert to fraction form
    57,983.12/79,417.15 = 54,578.69/x
  3. Step 3: Cross multiply
    57,983.12x = 79,417.15 × 54,578.69
  4. Step 4: Simplify right side
    57,983.12x = 4,334,483,477.00
  5. Step 5: Solve for x
    x = 4,334,483,477.00/57,983.12
  6. Step 6: Final answer
    x = 74,754.24

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.