Home / 78,697.20-118,045.56-24,666

Finding the Fourth Proportional to 78,697.20, 118,045.56 and 24,666

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Solution

The fourth proportional to 78,697.20, 118,045.56 and 24,666 is: 36,998.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,697.20 : 118,045.56 = 24,666 : x
  2. Step 2: Convert to fraction form
    78,697.20/118,045.56 = 24,666/x
  3. Step 3: Cross multiply
    78,697.20x = 118,045.56 × 24,666
  4. Step 4: Simplify right side
    78,697.20x = 2,911,711,782.96
  5. Step 5: Solve for x
    x = 2,911,711,782.96/78,697.20
  6. Step 6: Final answer
    x = 36,998.92

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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.