Home / 86,133.46-118,849.75-47,891.93

Finding the Fourth Proportional to 86,133.46, 118,849.75 and 47,891.93

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Solution

The fourth proportional to 86,133.46, 118,849.75 and 47,891.93 is: 66,082.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,133.46 : 118,849.75 = 47,891.93 : x
  2. Step 2: Convert to fraction form
    86,133.46/118,849.75 = 47,891.93/x
  3. Step 3: Cross multiply
    86,133.46x = 118,849.75 × 47,891.93
  4. Step 4: Simplify right side
    86,133.46x = 5,691,943,907.52
  5. Step 5: Solve for x
    x = 5,691,943,907.52/86,133.46
  6. Step 6: Final answer
    x = 66,082.84

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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.