Home / 75,338.94-113,119.38-42,124.08

Finding the Fourth Proportional to 75,338.94, 113,119.38 and 42,124.08

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Solution

The fourth proportional to 75,338.94, 113,119.38 and 42,124.08 is: 63,248.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,338.94 : 113,119.38 = 42,124.08 : x
  2. Step 2: Convert to fraction form
    75,338.94/113,119.38 = 42,124.08/x
  3. Step 3: Cross multiply
    75,338.94x = 113,119.38 × 42,124.08
  4. Step 4: Simplify right side
    75,338.94x = 4,765,049,812.67
  5. Step 5: Solve for x
    x = 4,765,049,812.67/75,338.94
  6. Step 6: Final answer
    x = 63,248.17

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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.