Home / 79,466.32-109,665.55-43,657.23

Finding the Fourth Proportional to 79,466.32, 109,665.55 and 43,657.23

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Solution

The fourth proportional to 79,466.32, 109,665.55 and 43,657.23 is: 60,248.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,466.32 : 109,665.55 = 43,657.23 : x
  2. Step 2: Convert to fraction form
    79,466.32/109,665.55 = 43,657.23/x
  3. Step 3: Cross multiply
    79,466.32x = 109,665.55 × 43,657.23
  4. Step 4: Simplify right side
    79,466.32x = 4,787,693,742.80
  5. Step 5: Solve for x
    x = 4,787,693,742.80/79,466.32
  6. Step 6: Final answer
    x = 60,248.09

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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.