Home / 79,343.28-109,497.15-47,506.10

Finding the Fourth Proportional to 79,343.28, 109,497.15 and 47,506.10

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Solution

The fourth proportional to 79,343.28, 109,497.15 and 47,506.10 is: 65,560.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,343.28 : 109,497.15 = 47,506.10 : x
  2. Step 2: Convert to fraction form
    79,343.28/109,497.15 = 47,506.10/x
  3. Step 3: Cross multiply
    79,343.28x = 109,497.15 × 47,506.10
  4. Step 4: Simplify right side
    79,343.28x = 5,201,782,010.13
  5. Step 5: Solve for x
    x = 5,201,782,010.13/79,343.28
  6. Step 6: Final answer
    x = 65,560.46

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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.