Home / 70,240.10-96,920.76-39,611.84

Finding the Fourth Proportional to 70,240.10, 96,920.76 and 39,611.84

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Solution

The fourth proportional to 70,240.10, 96,920.76 and 39,611.84 is: 54,658.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,240.10 : 96,920.76 = 39,611.84 : x
  2. Step 2: Convert to fraction form
    70,240.10/96,920.76 = 39,611.84/x
  3. Step 3: Cross multiply
    70,240.10x = 96,920.76 × 39,611.84
  4. Step 4: Simplify right side
    70,240.10x = 3,839,209,637.80
  5. Step 5: Solve for x
    x = 3,839,209,637.80/70,240.10
  6. Step 6: Final answer
    x = 54,658.37

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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.