Home / 64,781.74-97,021.41-49,872.34

Finding the Fourth Proportional to 64,781.74, 97,021.41 and 49,872.34

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Solution

The fourth proportional to 64,781.74, 97,021.41 and 49,872.34 is: 74,692.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,781.74 : 97,021.41 = 49,872.34 : x
  2. Step 2: Convert to fraction form
    64,781.74/97,021.41 = 49,872.34/x
  3. Step 3: Cross multiply
    64,781.74x = 97,021.41 × 49,872.34
  4. Step 4: Simplify right side
    64,781.74x = 4,838,684,746.80
  5. Step 5: Solve for x
    x = 4,838,684,746.80/64,781.74
  6. Step 6: Final answer
    x = 74,692.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.