Home / 77,162.02-106,479.28-43,163.94

Finding the Fourth Proportional to 77,162.02, 106,479.28 and 43,163.94

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Solution

The fourth proportional to 77,162.02, 106,479.28 and 43,163.94 is: 59,563.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,162.02 : 106,479.28 = 43,163.94 : x
  2. Step 2: Convert to fraction form
    77,162.02/106,479.28 = 43,163.94/x
  3. Step 3: Cross multiply
    77,162.02x = 106,479.28 × 43,163.94
  4. Step 4: Simplify right side
    77,162.02x = 4,596,065,253.16
  5. Step 5: Solve for x
    x = 4,596,065,253.16/77,162.02
  6. Step 6: Final answer
    x = 59,563.83

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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.