Home / 79,424.10-109,607.18-43,127.10

Finding the Fourth Proportional to 79,424.10, 109,607.18 and 43,127.10

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Solution

The fourth proportional to 79,424.10, 109,607.18 and 43,127.10 is: 59,516.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,424.10 : 109,607.18 = 43,127.10 : x
  2. Step 2: Convert to fraction form
    79,424.10/109,607.18 = 43,127.10/x
  3. Step 3: Cross multiply
    79,424.10x = 109,607.18 × 43,127.10
  4. Step 4: Simplify right side
    79,424.10x = 4,727,039,596.94
  5. Step 5: Solve for x
    x = 4,727,039,596.94/79,424.10
  6. Step 6: Final answer
    x = 59,516.44

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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.