Home / 70,122.51-96,771.41-39,500.87

Finding the Fourth Proportional to 70,122.51, 96,771.41 and 39,500.87

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Solution

The fourth proportional to 70,122.51, 96,771.41 and 39,500.87 is: 54,512.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,122.51 : 96,771.41 = 39,500.87 : x
  2. Step 2: Convert to fraction form
    70,122.51/96,771.41 = 39,500.87/x
  3. Step 3: Cross multiply
    70,122.51x = 96,771.41 × 39,500.87
  4. Step 4: Simplify right side
    70,122.51x = 3,822,554,204.77
  5. Step 5: Solve for x
    x = 3,822,554,204.77/70,122.51
  6. Step 6: Final answer
    x = 54,512.51

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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.