Home / 77,163.18-106,490.12-43,175.58

Finding the Fourth Proportional to 77,163.18, 106,490.12 and 43,175.58

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Solution

The fourth proportional to 77,163.18, 106,490.12 and 43,175.58 is: 59,585.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,163.18 : 106,490.12 = 43,175.58 : x
  2. Step 2: Convert to fraction form
    77,163.18/106,490.12 = 43,175.58/x
  3. Step 3: Cross multiply
    77,163.18x = 106,490.12 × 43,175.58
  4. Step 4: Simplify right side
    77,163.18x = 4,597,772,695.27
  5. Step 5: Solve for x
    x = 4,597,772,695.27/77,163.18
  6. Step 6: Final answer
    x = 59,585.06

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1.5x scale

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.