Home / 77,007.42-106,320.21-68,927.06

Finding the Fourth Proportional to 77,007.42, 106,320.21 and 68,927.06

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Solution

The fourth proportional to 77,007.42, 106,320.21 and 68,927.06 is: 95,164.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,007.42 : 106,320.21 = 68,927.06 : x
  2. Step 2: Convert to fraction form
    77,007.42/106,320.21 = 68,927.06/x
  3. Step 3: Cross multiply
    77,007.42x = 106,320.21 × 68,927.06
  4. Step 4: Simplify right side
    77,007.42x = 7,328,338,962.28
  5. Step 5: Solve for x
    x = 7,328,338,962.28/77,007.42
  6. Step 6: Final answer
    x = 95,164.07

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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.