Home / 77,104.32-106,452.96-59,165.28

Finding the Fourth Proportional to 77,104.32, 106,452.96 and 59,165.28

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Solution

The fourth proportional to 77,104.32, 106,452.96 and 59,165.28 is: 81,685.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,104.32 : 106,452.96 = 59,165.28 : x
  2. Step 2: Convert to fraction form
    77,104.32/106,452.96 = 59,165.28/x
  3. Step 3: Cross multiply
    77,104.32x = 106,452.96 × 59,165.28
  4. Step 4: Simplify right side
    77,104.32x = 6,298,319,185.23
  5. Step 5: Solve for x
    x = 6,298,319,185.23/77,104.32
  6. Step 6: Final answer
    x = 81,685.68

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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.