Home / 70,091.08-96,717.18-39,880.24

Finding the Fourth Proportional to 70,091.08, 96,717.18 and 39,880.24

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Solution

The fourth proportional to 70,091.08, 96,717.18 and 39,880.24 is: 55,029.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,091.08 : 96,717.18 = 39,880.24 : x
  2. Step 2: Convert to fraction form
    70,091.08/96,717.18 = 39,880.24/x
  3. Step 3: Cross multiply
    70,091.08x = 96,717.18 × 39,880.24
  4. Step 4: Simplify right side
    70,091.08x = 3,857,104,350.52
  5. Step 5: Solve for x
    x = 3,857,104,350.52/70,091.08
  6. Step 6: Final answer
    x = 55,029.89

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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.