Home / 88,910.30-133,469.64-70,202.95

Finding the Fourth Proportional to 88,910.30, 133,469.64 and 70,202.95

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Solution

The fourth proportional to 88,910.30, 133,469.64 and 70,202.95 is: 105,386.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,910.30 : 133,469.64 = 70,202.95 : x
  2. Step 2: Convert to fraction form
    88,910.30/133,469.64 = 70,202.95/x
  3. Step 3: Cross multiply
    88,910.30x = 133,469.64 × 70,202.95
  4. Step 4: Simplify right side
    88,910.30x = 9,369,962,129.76
  5. Step 5: Solve for x
    x = 9,369,962,129.76/88,910.30
  6. Step 6: Final answer
    x = 105,386.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.