Home / 86,888.30-119,910.54-52,891.40

Finding the Fourth Proportional to 86,888.30, 119,910.54 and 52,891.40

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Solution

The fourth proportional to 86,888.30, 119,910.54 and 52,891.40 is: 72,992.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,888.30 : 119,910.54 = 52,891.40 : x
  2. Step 2: Convert to fraction form
    86,888.30/119,910.54 = 52,891.40/x
  3. Step 3: Cross multiply
    86,888.30x = 119,910.54 × 52,891.40
  4. Step 4: Simplify right side
    86,888.30x = 6,342,236,335.36
  5. Step 5: Solve for x
    x = 6,342,236,335.36/86,888.30
  6. Step 6: Final answer
    x = 72,992.98

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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.