Home / 87,885.00-121,280.70-47,597.84

Finding the Fourth Proportional to 87,885.00, 121,280.70 and 47,597.84

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Solution

The fourth proportional to 87,885.00, 121,280.70 and 47,597.84 is: 65,684.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,885.00 : 121,280.70 = 47,597.84 : x
  2. Step 2: Convert to fraction form
    87,885.00/121,280.70 = 47,597.84/x
  3. Step 3: Cross multiply
    87,885.00x = 121,280.70 × 47,597.84
  4. Step 4: Simplify right side
    87,885.00x = 5,772,699,612.27
  5. Step 5: Solve for x
    x = 5,772,699,612.27/87,885.00
  6. Step 6: Final answer
    x = 65,684.70

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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.