Home / 102,776.06-154,195.14-48,782.18

Finding the Fourth Proportional to 102,776.06, 154,195.14 and 48,782.18

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Solution

The fourth proportional to 102,776.06, 154,195.14 and 48,782.18 is: 73,188.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,776.06 : 154,195.14 = 48,782.18 : x
  2. Step 2: Convert to fraction form
    102,776.06/154,195.14 = 48,782.18/x
  3. Step 3: Cross multiply
    102,776.06x = 154,195.14 × 48,782.18
  4. Step 4: Simplify right side
    102,776.06x = 7,521,975,074.61
  5. Step 5: Solve for x
    x = 7,521,975,074.61/102,776.06
  6. Step 6: Final answer
    x = 73,188.01

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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.