Home / 57,214.08-78,927.36-49,649.79

Finding the Fourth Proportional to 57,214.08, 78,927.36 and 49,649.79

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Solution

The fourth proportional to 57,214.08, 78,927.36 and 49,649.79 is: 68,492.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,214.08 : 78,927.36 = 49,649.79 : x
  2. Step 2: Convert to fraction form
    57,214.08/78,927.36 = 49,649.79/x
  3. Step 3: Cross multiply
    57,214.08x = 78,927.36 × 49,649.79
  4. Step 4: Simplify right side
    57,214.08x = 3,918,726,849.25
  5. Step 5: Solve for x
    x = 3,918,726,849.25/57,214.08
  6. Step 6: Final answer
    x = 68,492.35

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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.