Home / 75,845.34-113,590.61-59,943.65

Finding the Fourth Proportional to 75,845.34, 113,590.61 and 59,943.65

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Solution

The fourth proportional to 75,845.34, 113,590.61 and 59,943.65 is: 89,775.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,845.34 : 113,590.61 = 59,943.65 : x
  2. Step 2: Convert to fraction form
    75,845.34/113,590.61 = 59,943.65/x
  3. Step 3: Cross multiply
    75,845.34x = 113,590.61 × 59,943.65
  4. Step 4: Simplify right side
    75,845.34x = 6,809,035,769.13
  5. Step 5: Solve for x
    x = 6,809,035,769.13/75,845.34
  6. Step 6: Final answer
    x = 89,775.27

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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.