Home / 70,898.24-106,357.08-31,454.48

Finding the Fourth Proportional to 70,898.24, 106,357.08 and 31,454.48

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Solution

The fourth proportional to 70,898.24, 106,357.08 and 31,454.48 is: 47,186.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,898.24 : 106,357.08 = 31,454.48 : x
  2. Step 2: Convert to fraction form
    70,898.24/106,357.08 = 31,454.48/x
  3. Step 3: Cross multiply
    70,898.24x = 106,357.08 × 31,454.48
  4. Step 4: Simplify right side
    70,898.24x = 3,345,406,645.72
  5. Step 5: Solve for x
    x = 3,345,406,645.72/70,898.24
  6. Step 6: Final answer
    x = 47,186.03

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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.