Home / 83,128.27-124,709.93-26,964.01

Finding the Fourth Proportional to 83,128.27, 124,709.93 and 26,964.01

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Solution

The fourth proportional to 83,128.27, 124,709.93 and 26,964.01 is: 40,451.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,128.27 : 124,709.93 = 26,964.01 : x
  2. Step 2: Convert to fraction form
    83,128.27/124,709.93 = 26,964.01/x
  3. Step 3: Cross multiply
    83,128.27x = 124,709.93 × 26,964.01
  4. Step 4: Simplify right side
    83,128.27x = 3,362,679,799.62
  5. Step 5: Solve for x
    x = 3,362,679,799.62/83,128.27
  6. Step 6: Final answer
    x = 40,451.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.