Home / 79,154.16-109,227.74-43,344.60

Finding the Fourth Proportional to 79,154.16, 109,227.74 and 43,344.60

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Solution

The fourth proportional to 79,154.16, 109,227.74 and 43,344.60 is: 59,812.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,154.16 : 109,227.74 = 43,344.60 : x
  2. Step 2: Convert to fraction form
    79,154.16/109,227.74 = 43,344.60/x
  3. Step 3: Cross multiply
    79,154.16x = 109,227.74 × 43,344.60
  4. Step 4: Simplify right side
    79,154.16x = 4,734,432,482.48
  5. Step 5: Solve for x
    x = 4,734,432,482.48/79,154.16
  6. Step 6: Final answer
    x = 59,812.81

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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.