Home / 56,913.24-85,347.99-39,329.76

Finding the Fourth Proportional to 56,913.24, 85,347.99 and 39,329.76

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Solution

The fourth proportional to 56,913.24, 85,347.99 and 39,329.76 is: 58,979.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,913.24 : 85,347.99 = 39,329.76 : x
  2. Step 2: Convert to fraction form
    56,913.24/85,347.99 = 39,329.76/x
  3. Step 3: Cross multiply
    56,913.24x = 85,347.99 × 39,329.76
  4. Step 4: Simplify right side
    56,913.24x = 3,356,715,963.18
  5. Step 5: Solve for x
    x = 3,356,715,963.18/56,913.24
  6. Step 6: Final answer
    x = 58,979.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.