Home / 79,199.68-109,254.16-48,975.36

Finding the Fourth Proportional to 79,199.68, 109,254.16 and 48,975.36

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Solution

The fourth proportional to 79,199.68, 109,254.16 and 48,975.36 is: 67,560.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,199.68 : 109,254.16 = 48,975.36 : x
  2. Step 2: Convert to fraction form
    79,199.68/109,254.16 = 48,975.36/x
  3. Step 3: Cross multiply
    79,199.68x = 109,254.16 × 48,975.36
  4. Step 4: Simplify right side
    79,199.68x = 5,350,761,817.50
  5. Step 5: Solve for x
    x = 5,350,761,817.50/79,199.68
  6. Step 6: Final answer
    x = 67,560.40

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1.5x scale

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.