Home / 88,401.58-121,984.19-52,100.66

Finding the Fourth Proportional to 88,401.58, 121,984.19 and 52,100.66

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Solution

The fourth proportional to 88,401.58, 121,984.19 and 52,100.66 is: 71,893.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,401.58 : 121,984.19 = 52,100.66 : x
  2. Step 2: Convert to fraction form
    88,401.58/121,984.19 = 52,100.66/x
  3. Step 3: Cross multiply
    88,401.58x = 121,984.19 × 52,100.66
  4. Step 4: Simplify right side
    88,401.58x = 6,355,457,048.40
  5. Step 5: Solve for x
    x = 6,355,457,048.40/88,401.58
  6. Step 6: Final answer
    x = 71,893.03

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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.