Home / 99,066.30-148,657.76-36,780.54

Finding the Fourth Proportional to 99,066.30, 148,657.76 and 36,780.54

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Solution

The fourth proportional to 99,066.30, 148,657.76 and 36,780.54 is: 55,192.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,066.30 : 148,657.76 = 36,780.54 : x
  2. Step 2: Convert to fraction form
    99,066.30/148,657.76 = 36,780.54/x
  3. Step 3: Cross multiply
    99,066.30x = 148,657.76 × 36,780.54
  4. Step 4: Simplify right side
    99,066.30x = 5,467,712,687.99
  5. Step 5: Solve for x
    x = 5,467,712,687.99/99,066.30
  6. Step 6: Final answer
    x = 55,192.46

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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.