Home / 77,508.12-116,164.62-41,968.02

Finding the Fourth Proportional to 77,508.12, 116,164.62 and 41,968.02

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Solution

The fourth proportional to 77,508.12, 116,164.62 and 41,968.02 is: 62,899.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,508.12 : 116,164.62 = 41,968.02 : x
  2. Step 2: Convert to fraction form
    77,508.12/116,164.62 = 41,968.02/x
  3. Step 3: Cross multiply
    77,508.12x = 116,164.62 × 41,968.02
  4. Step 4: Simplify right side
    77,508.12x = 4,875,199,095.45
  5. Step 5: Solve for x
    x = 4,875,199,095.45/77,508.12
  6. Step 6: Final answer
    x = 62,899.20

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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.