Home / 65,270.24-89,985.68-51,885.92

Finding the Fourth Proportional to 65,270.24, 89,985.68 and 51,885.92

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Solution

The fourth proportional to 65,270.24, 89,985.68 and 51,885.92 is: 71,533.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,270.24 : 89,985.68 = 51,885.92 : x
  2. Step 2: Convert to fraction form
    65,270.24/89,985.68 = 51,885.92/x
  3. Step 3: Cross multiply
    65,270.24x = 89,985.68 × 51,885.92
  4. Step 4: Simplify right side
    65,270.24x = 4,668,989,793.63
  5. Step 5: Solve for x
    x = 4,668,989,793.63/65,270.24
  6. Step 6: Final answer
    x = 71,533.21

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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.