Home / 88,055.05-121,515.99-49,813.83

Finding the Fourth Proportional to 88,055.05, 121,515.99 and 49,813.83

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Solution

The fourth proportional to 88,055.05, 121,515.99 and 49,813.83 is: 68,743.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,055.05 : 121,515.99 = 49,813.83 : x
  2. Step 2: Convert to fraction form
    88,055.05/121,515.99 = 49,813.83/x
  3. Step 3: Cross multiply
    88,055.05x = 121,515.99 × 49,813.83
  4. Step 4: Simplify right side
    88,055.05x = 6,053,176,868.14
  5. Step 5: Solve for x
    x = 6,053,176,868.14/88,055.05
  6. Step 6: Final answer
    x = 68,743.10

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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.