Home / 75,744.96-104,532.64-42,210.88

Finding the Fourth Proportional to 75,744.96, 104,532.64 and 42,210.88

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Solution

The fourth proportional to 75,744.96, 104,532.64 and 42,210.88 is: 58,253.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,744.96 : 104,532.64 = 42,210.88 : x
  2. Step 2: Convert to fraction form
    75,744.96/104,532.64 = 42,210.88/x
  3. Step 3: Cross multiply
    75,744.96x = 104,532.64 × 42,210.88
  4. Step 4: Simplify right side
    75,744.96x = 4,412,414,723.12
  5. Step 5: Solve for x
    x = 4,412,414,723.12/75,744.96
  6. Step 6: Final answer
    x = 58,253.58

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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.