Home / 99,944.61-137,919.41-59,135.19

Finding the Fourth Proportional to 99,944.61, 137,919.41 and 59,135.19

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Solution

The fourth proportional to 99,944.61, 137,919.41 and 59,135.19 is: 81,604.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,944.61 : 137,919.41 = 59,135.19 : x
  2. Step 2: Convert to fraction form
    99,944.61/137,919.41 = 59,135.19/x
  3. Step 3: Cross multiply
    99,944.61x = 137,919.41 × 59,135.19
  4. Step 4: Simplify right side
    99,944.61x = 8,155,889,529.76
  5. Step 5: Solve for x
    x = 8,155,889,529.76/99,944.61
  6. Step 6: Final answer
    x = 81,604.10

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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.