Home / 71,208.84-98,263.35-39,377.46

Finding the Fourth Proportional to 71,208.84, 98,263.35 and 39,377.46

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Solution

The fourth proportional to 71,208.84, 98,263.35 and 39,377.46 is: 54,338.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,208.84 : 98,263.35 = 39,377.46 : x
  2. Step 2: Convert to fraction form
    71,208.84/98,263.35 = 39,377.46/x
  3. Step 3: Cross multiply
    71,208.84x = 98,263.35 × 39,377.46
  4. Step 4: Simplify right side
    71,208.84x = 3,869,361,134.09
  5. Step 5: Solve for x
    x = 3,869,361,134.09/71,208.84
  6. Step 6: Final answer
    x = 54,338.21

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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.