Home / 97,777.18-146,665.77-51,019.12

Finding the Fourth Proportional to 97,777.18, 146,665.77 and 51,019.12

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Solution

The fourth proportional to 97,777.18, 146,665.77 and 51,019.12 is: 76,528.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,777.18 : 146,665.77 = 51,019.12 : x
  2. Step 2: Convert to fraction form
    97,777.18/146,665.77 = 51,019.12/x
  3. Step 3: Cross multiply
    97,777.18x = 146,665.77 × 51,019.12
  4. Step 4: Simplify right side
    97,777.18x = 7,482,758,519.52
  5. Step 5: Solve for x
    x = 7,482,758,519.52/97,777.18
  6. Step 6: Final answer
    x = 76,528.68

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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.