Home / 75,158.16-112,678.92-30,796.08

Finding the Fourth Proportional to 75,158.16, 112,678.92 and 30,796.08

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Solution

The fourth proportional to 75,158.16, 112,678.92 and 30,796.08 is: 46,170.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,158.16 : 112,678.92 = 30,796.08 : x
  2. Step 2: Convert to fraction form
    75,158.16/112,678.92 = 30,796.08/x
  3. Step 3: Cross multiply
    75,158.16x = 112,678.92 × 30,796.08
  4. Step 4: Simplify right side
    75,158.16x = 3,470,069,034.63
  5. Step 5: Solve for x
    x = 3,470,069,034.63/75,158.16
  6. Step 6: Final answer
    x = 46,170.22

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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.