Home / 98,890.84-148,354.98-39,731.14

Finding the Fourth Proportional to 98,890.84, 148,354.98 and 39,731.14

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Solution

The fourth proportional to 98,890.84, 148,354.98 and 39,731.14 is: 59,604.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,890.84 : 148,354.98 = 39,731.14 : x
  2. Step 2: Convert to fraction form
    98,890.84/148,354.98 = 39,731.14/x
  3. Step 3: Cross multiply
    98,890.84x = 148,354.98 × 39,731.14
  4. Step 4: Simplify right side
    98,890.84x = 5,894,312,480.08
  5. Step 5: Solve for x
    x = 5,894,312,480.08/98,890.84
  6. Step 6: Final answer
    x = 59,604.23

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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.