Home / 79,346.18-109,498.74-43,535.54

Finding the Fourth Proportional to 79,346.18, 109,498.74 and 43,535.54

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Solution

The fourth proportional to 79,346.18, 109,498.74 and 43,535.54 is: 60,079.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,346.18 : 109,498.74 = 43,535.54 : x
  2. Step 2: Convert to fraction form
    79,346.18/109,498.74 = 43,535.54/x
  3. Step 3: Cross multiply
    79,346.18x = 109,498.74 × 43,535.54
  4. Step 4: Simplify right side
    79,346.18x = 4,767,086,775.22
  5. Step 5: Solve for x
    x = 4,767,086,775.22/79,346.18
  6. Step 6: Final answer
    x = 60,079.60

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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.