Home / 76,727.39-114,965.93-47,082.60

Finding the Fourth Proportional to 76,727.39, 114,965.93 and 47,082.60

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Solution

The fourth proportional to 76,727.39, 114,965.93 and 47,082.60 is: 70,547.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,727.39 : 114,965.93 = 47,082.60 : x
  2. Step 2: Convert to fraction form
    76,727.39/114,965.93 = 47,082.60/x
  3. Step 3: Cross multiply
    76,727.39x = 114,965.93 × 47,082.60
  4. Step 4: Simplify right side
    76,727.39x = 5,412,895,013.52
  5. Step 5: Solve for x
    x = 5,412,895,013.52/76,727.39
  6. Step 6: Final answer
    x = 70,547.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.