Home / 98,780.20-148,127.10-39,596.20

Finding the Fourth Proportional to 98,780.20, 148,127.10 and 39,596.20

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Solution

The fourth proportional to 98,780.20, 148,127.10 and 39,596.20 is: 59,376.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,780.20 : 148,127.10 = 39,596.20 : x
  2. Step 2: Convert to fraction form
    98,780.20/148,127.10 = 39,596.20/x
  3. Step 3: Cross multiply
    98,780.20x = 148,127.10 × 39,596.20
  4. Step 4: Simplify right side
    98,780.20x = 5,865,270,277.02
  5. Step 5: Solve for x
    x = 5,865,270,277.02/98,780.20
  6. Step 6: Final answer
    x = 59,376.98

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1.5x scale

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.