Home / 66,178.68-99,271.26-26,730.90

Finding the Fourth Proportional to 66,178.68, 99,271.26 and 26,730.90

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Solution

The fourth proportional to 66,178.68, 99,271.26 and 26,730.90 is: 40,097.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,178.68 : 99,271.26 = 26,730.90 : x
  2. Step 2: Convert to fraction form
    66,178.68/99,271.26 = 26,730.90/x
  3. Step 3: Cross multiply
    66,178.68x = 99,271.26 × 26,730.90
  4. Step 4: Simplify right side
    66,178.68x = 2,653,610,123.93
  5. Step 5: Solve for x
    x = 2,653,610,123.93/66,178.68
  6. Step 6: Final answer
    x = 40,097.66

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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.