Home / 70,934.24-97,889.93-39,104.28

Finding the Fourth Proportional to 70,934.24, 97,889.93 and 39,104.28

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Solution

The fourth proportional to 70,934.24, 97,889.93 and 39,104.28 is: 53,964.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,934.24 : 97,889.93 = 39,104.28 : x
  2. Step 2: Convert to fraction form
    70,934.24/97,889.93 = 39,104.28/x
  3. Step 3: Cross multiply
    70,934.24x = 97,889.93 × 39,104.28
  4. Step 4: Simplify right side
    70,934.24x = 3,827,915,329.66
  5. Step 5: Solve for x
    x = 3,827,915,329.66/70,934.24
  6. Step 6: Final answer
    x = 53,964.28

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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.