Home / 84,727.42-116,926.95-51,186.94

Finding the Fourth Proportional to 84,727.42, 116,926.95 and 51,186.94

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Solution

The fourth proportional to 84,727.42, 116,926.95 and 51,186.94 is: 70,639.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,727.42 : 116,926.95 = 51,186.94 : x
  2. Step 2: Convert to fraction form
    84,727.42/116,926.95 = 51,186.94/x
  3. Step 3: Cross multiply
    84,727.42x = 116,926.95 × 51,186.94
  4. Step 4: Simplify right side
    84,727.42x = 5,985,132,774.03
  5. Step 5: Solve for x
    x = 5,985,132,774.03/84,727.42
  6. Step 6: Final answer
    x = 70,639.86

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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.