Home / 70,109.74-96,759.93-39,902.41

Finding the Fourth Proportional to 70,109.74, 96,759.93 and 39,902.41

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Solution

The fourth proportional to 70,109.74, 96,759.93 and 39,902.41 is: 55,070.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,109.74 : 96,759.93 = 39,902.41 : x
  2. Step 2: Convert to fraction form
    70,109.74/96,759.93 = 39,902.41/x
  3. Step 3: Cross multiply
    70,109.74x = 96,759.93 × 39,902.41
  4. Step 4: Simplify right side
    70,109.74x = 3,860,954,398.43
  5. Step 5: Solve for x
    x = 3,860,954,398.43/70,109.74
  6. Step 6: Final answer
    x = 55,070.16

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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.