Home / 88,074.42-121,542.66-50,349.48

Finding the Fourth Proportional to 88,074.42, 121,542.66 and 50,349.48

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Solution

The fourth proportional to 88,074.42, 121,542.66 and 50,349.48 is: 69,482.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,074.42 : 121,542.66 = 50,349.48 : x
  2. Step 2: Convert to fraction form
    88,074.42/121,542.66 = 50,349.48/x
  3. Step 3: Cross multiply
    88,074.42x = 121,542.66 × 50,349.48
  4. Step 4: Simplify right side
    88,074.42x = 6,119,609,728.82
  5. Step 5: Solve for x
    x = 6,119,609,728.82/88,074.42
  6. Step 6: Final answer
    x = 69,482.26

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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.