Home / 98,417.75-147,650.04-31,857.89

Finding the Fourth Proportional to 98,417.75, 147,650.04 and 31,857.89

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Solution

The fourth proportional to 98,417.75, 147,650.04 and 31,857.89 is: 47,794.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,417.75 : 147,650.04 = 31,857.89 : x
  2. Step 2: Convert to fraction form
    98,417.75/147,650.04 = 31,857.89/x
  3. Step 3: Cross multiply
    98,417.75x = 147,650.04 × 31,857.89
  4. Step 4: Simplify right side
    98,417.75x = 4,703,818,732.82
  5. Step 5: Solve for x
    x = 4,703,818,732.82/98,417.75
  6. Step 6: Final answer
    x = 47,794.41

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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.