Home / 74,924.24-112,402.78-28,177.10

Finding the Fourth Proportional to 74,924.24, 112,402.78 and 28,177.10

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Solution

The fourth proportional to 74,924.24, 112,402.78 and 28,177.10 is: 42,271.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,924.24 : 112,402.78 = 28,177.10 : x
  2. Step 2: Convert to fraction form
    74,924.24/112,402.78 = 28,177.10/x
  3. Step 3: Cross multiply
    74,924.24x = 112,402.78 × 28,177.10
  4. Step 4: Simplify right side
    74,924.24x = 3,167,184,372.34
  5. Step 5: Solve for x
    x = 3,167,184,372.34/74,924.24
  6. Step 6: Final answer
    x = 42,271.83

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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.