Home / 77,701.62-116,301.74-40,210.16

Finding the Fourth Proportional to 77,701.62, 116,301.74 and 40,210.16

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Solution

The fourth proportional to 77,701.62, 116,301.74 and 40,210.16 is: 60,185.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,701.62 : 116,301.74 = 40,210.16 : x
  2. Step 2: Convert to fraction form
    77,701.62/116,301.74 = 40,210.16/x
  3. Step 3: Cross multiply
    77,701.62x = 116,301.74 × 40,210.16
  4. Step 4: Simplify right side
    77,701.62x = 4,676,511,663.38
  5. Step 5: Solve for x
    x = 4,676,511,663.38/77,701.62
  6. Step 6: Final answer
    x = 60,185.51

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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.