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Finding the Fourth Proportional to 74,482.74, 111,723.66 and 32,357.34

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Solution

The fourth proportional to 74,482.74, 111,723.66 and 32,357.34 is: 48,535.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,482.74 : 111,723.66 = 32,357.34 : x
  2. Step 2: Convert to fraction form
    74,482.74/111,723.66 = 32,357.34/x
  3. Step 3: Cross multiply
    74,482.74x = 111,723.66 × 32,357.34
  4. Step 4: Simplify right side
    74,482.74x = 3,615,080,452.66
  5. Step 5: Solve for x
    x = 3,615,080,452.66/74,482.74
  6. Step 6: Final answer
    x = 48,535.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.