Home / 88,072.96-121,536.84-50,349.64

Finding the Fourth Proportional to 88,072.96, 121,536.84 and 50,349.64

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Solution

The fourth proportional to 88,072.96, 121,536.84 and 50,349.64 is: 69,480.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,072.96 : 121,536.84 = 50,349.64 : x
  2. Step 2: Convert to fraction form
    88,072.96/121,536.84 = 50,349.64/x
  3. Step 3: Cross multiply
    88,072.96x = 121,536.84 × 50,349.64
  4. Step 4: Simplify right side
    88,072.96x = 6,119,336,140.74
  5. Step 5: Solve for x
    x = 6,119,336,140.74/88,072.96
  6. Step 6: Final answer
    x = 69,480.31

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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.