Home / 75,279.04-112,943.24-30,926.68

Finding the Fourth Proportional to 75,279.04, 112,943.24 and 30,926.68

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Solution

The fourth proportional to 75,279.04, 112,943.24 and 30,926.68 is: 46,400.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,279.04 : 112,943.24 = 30,926.68 : x
  2. Step 2: Convert to fraction form
    75,279.04/112,943.24 = 30,926.68/x
  3. Step 3: Cross multiply
    75,279.04x = 112,943.24 × 30,926.68
  4. Step 4: Simplify right side
    75,279.04x = 3,492,959,441.64
  5. Step 5: Solve for x
    x = 3,492,959,441.64/75,279.04
  6. Step 6: Final answer
    x = 46,400.16

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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.