Home / 77,071.32-115,536.92-29,656.17

Finding the Fourth Proportional to 77,071.32, 115,536.92 and 29,656.17

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Solution

The fourth proportional to 77,071.32, 115,536.92 and 29,656.17 is: 44,457.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,071.32 : 115,536.92 = 29,656.17 : x
  2. Step 2: Convert to fraction form
    77,071.32/115,536.92 = 29,656.17/x
  3. Step 3: Cross multiply
    77,071.32x = 115,536.92 × 29,656.17
  4. Step 4: Simplify right side
    77,071.32x = 3,426,382,540.80
  5. Step 5: Solve for x
    x = 3,426,382,540.80/77,071.32
  6. Step 6: Final answer
    x = 44,457.30

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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.