Home / 96,616.33-133,331.84-72,374.34

Finding the Fourth Proportional to 96,616.33, 133,331.84 and 72,374.34

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Solution

The fourth proportional to 96,616.33, 133,331.84 and 72,374.34 is: 99,877.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,616.33 : 133,331.84 = 72,374.34 : x
  2. Step 2: Convert to fraction form
    96,616.33/133,331.84 = 72,374.34/x
  3. Step 3: Cross multiply
    96,616.33x = 133,331.84 × 72,374.34
  4. Step 4: Simplify right side
    96,616.33x = 9,649,803,920.99
  5. Step 5: Solve for x
    x = 9,649,803,920.99/96,616.33
  6. Step 6: Final answer
    x = 99,877.57

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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.