Home / 86,922.83-119,961.18-48,681.79

Finding the Fourth Proportional to 86,922.83, 119,961.18 and 48,681.79

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Solution

The fourth proportional to 86,922.83, 119,961.18 and 48,681.79 is: 67,185.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,922.83 : 119,961.18 = 48,681.79 : x
  2. Step 2: Convert to fraction form
    86,922.83/119,961.18 = 48,681.79/x
  3. Step 3: Cross multiply
    86,922.83x = 119,961.18 × 48,681.79
  4. Step 4: Simplify right side
    86,922.83x = 5,839,924,673.01
  5. Step 5: Solve for x
    x = 5,839,924,673.01/86,922.83
  6. Step 6: Final answer
    x = 67,185.16

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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.