Home / 88,074.75-121,543.20-50,349.81

Finding the Fourth Proportional to 88,074.75, 121,543.20 and 50,349.81

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Solution

The fourth proportional to 88,074.75, 121,543.20 and 50,349.81 is: 69,482.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,074.75 : 121,543.20 = 50,349.81 : x
  2. Step 2: Convert to fraction form
    88,074.75/121,543.20 = 50,349.81/x
  3. Step 3: Cross multiply
    88,074.75x = 121,543.20 × 50,349.81
  4. Step 4: Simplify right side
    88,074.75x = 6,119,677,026.79
  5. Step 5: Solve for x
    x = 6,119,677,026.79/88,074.75
  6. Step 6: Final answer
    x = 69,482.76

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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.