Home / 46,979.42-70,461.62-13,691.69

Finding the Fourth Proportional to 46,979.42, 70,461.62 and 13,691.69

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Solution

The fourth proportional to 46,979.42, 70,461.62 and 13,691.69 is: 20,535.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,979.42 : 70,461.62 = 13,691.69 : x
  2. Step 2: Convert to fraction form
    46,979.42/70,461.62 = 13,691.69/x
  3. Step 3: Cross multiply
    46,979.42x = 70,461.62 × 13,691.69
  4. Step 4: Simplify right side
    46,979.42x = 964,738,237.17
  5. Step 5: Solve for x
    x = 964,738,237.17/46,979.42
  6. Step 6: Final answer
    x = 20,535.34

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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.