Home / 53,114.90-79,672.35-49,615.70

Finding the Fourth Proportional to 53,114.90, 79,672.35 and 49,615.70

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Solution

The fourth proportional to 53,114.90, 79,672.35 and 49,615.70 is: 74,423.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,114.90 : 79,672.35 = 49,615.70 : x
  2. Step 2: Convert to fraction form
    53,114.90/79,672.35 = 49,615.70/x
  3. Step 3: Cross multiply
    53,114.90x = 79,672.35 × 49,615.70
  4. Step 4: Simplify right side
    53,114.90x = 3,952,999,415.90
  5. Step 5: Solve for x
    x = 3,952,999,415.90/53,114.90
  6. Step 6: Final answer
    x = 74,423.55

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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.