Home / 88,055.33-121,516.36-50,330.39

Finding the Fourth Proportional to 88,055.33, 121,516.36 and 50,330.39

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Solution

The fourth proportional to 88,055.33, 121,516.36 and 50,330.39 is: 69,455.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,055.33 : 121,516.36 = 50,330.39 : x
  2. Step 2: Convert to fraction form
    88,055.33/121,516.36 = 50,330.39/x
  3. Step 3: Cross multiply
    88,055.33x = 121,516.36 × 50,330.39
  4. Step 4: Simplify right side
    88,055.33x = 6,115,965,538.53
  5. Step 5: Solve for x
    x = 6,115,965,538.53/88,055.33
  6. Step 6: Final answer
    x = 69,455.94

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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.