Home / 99,400.01-137,161.78-59,105.99

Finding the Fourth Proportional to 99,400.01, 137,161.78 and 59,105.99

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Solution

The fourth proportional to 99,400.01, 137,161.78 and 59,105.99 is: 81,560.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,400.01 : 137,161.78 = 59,105.99 : x
  2. Step 2: Convert to fraction form
    99,400.01/137,161.78 = 59,105.99/x
  3. Step 3: Cross multiply
    99,400.01x = 137,161.78 × 59,105.99
  4. Step 4: Simplify right side
    99,400.01x = 8,107,082,501.53
  5. Step 5: Solve for x
    x = 8,107,082,501.53/99,400.01
  6. Step 6: Final answer
    x = 81,560.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.