Home / 74,868.62-112,302.72-30,484.94

Finding the Fourth Proportional to 74,868.62, 112,302.72 and 30,484.94

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Solution

The fourth proportional to 74,868.62, 112,302.72 and 30,484.94 is: 45,727.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,868.62 : 112,302.72 = 30,484.94 : x
  2. Step 2: Convert to fraction form
    74,868.62/112,302.72 = 30,484.94/x
  3. Step 3: Cross multiply
    74,868.62x = 112,302.72 × 30,484.94
  4. Step 4: Simplify right side
    74,868.62x = 3,423,541,119.52
  5. Step 5: Solve for x
    x = 3,423,541,119.52/74,868.62
  6. Step 6: Final answer
    x = 45,727.32

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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.