Home / 71,223.41-98,285.55-39,392.84

Finding the Fourth Proportional to 71,223.41, 98,285.55 and 39,392.84

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Solution

The fourth proportional to 71,223.41, 98,285.55 and 39,392.84 is: 54,360.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,223.41 : 98,285.55 = 39,392.84 : x
  2. Step 2: Convert to fraction form
    71,223.41/98,285.55 = 39,392.84/x
  3. Step 3: Cross multiply
    71,223.41x = 98,285.55 × 39,392.84
  4. Step 4: Simplify right side
    71,223.41x = 3,871,746,945.46
  5. Step 5: Solve for x
    x = 3,871,746,945.46/71,223.41
  6. Step 6: Final answer
    x = 54,360.59

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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.