Home / 52,715.75-72,749.48-28,842.45

Finding the Fourth Proportional to 52,715.75, 72,749.48 and 28,842.45

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Solution

The fourth proportional to 52,715.75, 72,749.48 and 28,842.45 is: 39,803.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,715.75 : 72,749.48 = 28,842.45 : x
  2. Step 2: Convert to fraction form
    52,715.75/72,749.48 = 28,842.45/x
  3. Step 3: Cross multiply
    52,715.75x = 72,749.48 × 28,842.45
  4. Step 4: Simplify right side
    52,715.75x = 2,098,272,822.40
  5. Step 5: Solve for x
    x = 2,098,272,822.40/52,715.75
  6. Step 6: Final answer
    x = 39,803.53

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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.