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Finding the Fourth Proportional to 77,395.16, 116,053.86 and 35,871.32

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Solution

The fourth proportional to 77,395.16, 116,053.86 and 35,871.32 is: 53,788.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,395.16 : 116,053.86 = 35,871.32 : x
  2. Step 2: Convert to fraction form
    77,395.16/116,053.86 = 35,871.32/x
  3. Step 3: Cross multiply
    77,395.16x = 116,053.86 × 35,871.32
  4. Step 4: Simplify right side
    77,395.16x = 4,163,005,149.30
  5. Step 5: Solve for x
    x = 4,163,005,149.30/77,395.16
  6. Step 6: Final answer
    x = 53,788.96

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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.