Home / 88,212.03-121,783.05-58,084.89

Finding the Fourth Proportional to 88,212.03, 121,783.05 and 58,084.89

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Solution

The fourth proportional to 88,212.03, 121,783.05 and 58,084.89 is: 80,190.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,212.03 : 121,783.05 = 58,084.89 : x
  2. Step 2: Convert to fraction form
    88,212.03/121,783.05 = 58,084.89/x
  3. Step 3: Cross multiply
    88,212.03x = 121,783.05 × 58,084.89
  4. Step 4: Simplify right side
    88,212.03x = 7,073,755,063.11
  5. Step 5: Solve for x
    x = 7,073,755,063.11/88,212.03
  6. Step 6: Final answer
    x = 80,190.37

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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.