Home / 75,981.10-104,853.64-41,988.64

Finding the Fourth Proportional to 75,981.10, 104,853.64 and 41,988.64

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Solution

The fourth proportional to 75,981.10, 104,853.64 and 41,988.64 is: 57,944.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,981.10 : 104,853.64 = 41,988.64 : x
  2. Step 2: Convert to fraction form
    75,981.10/104,853.64 = 41,988.64/x
  3. Step 3: Cross multiply
    75,981.10x = 104,853.64 × 41,988.64
  4. Step 4: Simplify right side
    75,981.10x = 4,402,661,742.65
  5. Step 5: Solve for x
    x = 4,402,661,742.65/75,981.10
  6. Step 6: Final answer
    x = 57,944.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.