Home / 75,426.30-112,473.18-74,750.76

Finding the Fourth Proportional to 75,426.30, 112,473.18 and 74,750.76

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Solution

The fourth proportional to 75,426.30, 112,473.18 and 74,750.76 is: 111,465.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,426.30 : 112,473.18 = 74,750.76 : x
  2. Step 2: Convert to fraction form
    75,426.30/112,473.18 = 74,750.76/x
  3. Step 3: Cross multiply
    75,426.30x = 112,473.18 × 74,750.76
  4. Step 4: Simplify right side
    75,426.30x = 8,407,455,684.62
  5. Step 5: Solve for x
    x = 8,407,455,684.62/75,426.30
  6. Step 6: Final answer
    x = 111,465.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.