Home / 86,082.17-118,793.29-47,840.51

Finding the Fourth Proportional to 86,082.17, 118,793.29 and 47,840.51

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Solution

The fourth proportional to 86,082.17, 118,793.29 and 47,840.51 is: 66,019.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,082.17 : 118,793.29 = 47,840.51 : x
  2. Step 2: Convert to fraction form
    86,082.17/118,793.29 = 47,840.51/x
  3. Step 3: Cross multiply
    86,082.17x = 118,793.29 × 47,840.51
  4. Step 4: Simplify right side
    86,082.17x = 5,683,131,578.18
  5. Step 5: Solve for x
    x = 5,683,131,578.18/86,082.17
  6. Step 6: Final answer
    x = 66,019.85

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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.