Home / 53,254.20-79,881.30-29,877.60

Finding the Fourth Proportional to 53,254.20, 79,881.30 and 29,877.60

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Solution

The fourth proportional to 53,254.20, 79,881.30 and 29,877.60 is: 44,816.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,254.20 : 79,881.30 = 29,877.60 : x
  2. Step 2: Convert to fraction form
    53,254.20/79,881.30 = 29,877.60/x
  3. Step 3: Cross multiply
    53,254.20x = 79,881.30 × 29,877.60
  4. Step 4: Simplify right side
    53,254.20x = 2,386,661,528.88
  5. Step 5: Solve for x
    x = 2,386,661,528.88/53,254.20
  6. Step 6: Final answer
    x = 44,816.40

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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.