Home / 77,511.34-106,998.15-52,394.86

Finding the Fourth Proportional to 77,511.34, 106,998.15 and 52,394.86

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Solution

The fourth proportional to 77,511.34, 106,998.15 and 52,394.86 is: 72,326.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,511.34 : 106,998.15 = 52,394.86 : x
  2. Step 2: Convert to fraction form
    77,511.34/106,998.15 = 52,394.86/x
  3. Step 3: Cross multiply
    77,511.34x = 106,998.15 × 52,394.86
  4. Step 4: Simplify right side
    77,511.34x = 5,606,153,089.51
  5. Step 5: Solve for x
    x = 5,606,153,089.51/77,511.34
  6. Step 6: Final answer
    x = 72,326.88

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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.