Home / 53,373.60-80,062.02-18,312.75

Finding the Fourth Proportional to 53,373.60, 80,062.02 and 18,312.75

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Solution

The fourth proportional to 53,373.60, 80,062.02 and 18,312.75 is: 27,469.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,373.60 : 80,062.02 = 18,312.75 : x
  2. Step 2: Convert to fraction form
    53,373.60/80,062.02 = 18,312.75/x
  3. Step 3: Cross multiply
    53,373.60x = 80,062.02 × 18,312.75
  4. Step 4: Simplify right side
    53,373.60x = 1,466,155,756.76
  5. Step 5: Solve for x
    x = 1,466,155,756.76/53,373.60
  6. Step 6: Final answer
    x = 27,469.68

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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.