Home / 86,937.16-119,965.20-49,211.41

Finding the Fourth Proportional to 86,937.16, 119,965.20 and 49,211.41

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Solution

The fourth proportional to 86,937.16, 119,965.20 and 49,211.41 is: 67,907.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,937.16 : 119,965.20 = 49,211.41 : x
  2. Step 2: Convert to fraction form
    86,937.16/119,965.20 = 49,211.41/x
  3. Step 3: Cross multiply
    86,937.16x = 119,965.20 × 49,211.41
  4. Step 4: Simplify right side
    86,937.16x = 5,903,656,642.93
  5. Step 5: Solve for x
    x = 5,903,656,642.93/86,937.16
  6. Step 6: Final answer
    x = 67,907.17

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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.