Home / 75,260.03-112,908.86-53,116.65

Finding the Fourth Proportional to 75,260.03, 112,908.86 and 53,116.65

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Solution

The fourth proportional to 75,260.03, 112,908.86 and 53,116.65 is: 79,688.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,260.03 : 112,908.86 = 53,116.65 : x
  2. Step 2: Convert to fraction form
    75,260.03/112,908.86 = 53,116.65/x
  3. Step 3: Cross multiply
    75,260.03x = 112,908.86 × 53,116.65
  4. Step 4: Simplify right side
    75,260.03x = 5,997,340,132.94
  5. Step 5: Solve for x
    x = 5,997,340,132.94/75,260.03
  6. Step 6: Final answer
    x = 79,688.26

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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.