Home / 96,636.50-133,312.98-68,357.78

Finding the Fourth Proportional to 96,636.50, 133,312.98 and 68,357.78

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Solution

The fourth proportional to 96,636.50, 133,312.98 and 68,357.78 is: 94,301.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,636.50 : 133,312.98 = 68,357.78 : x
  2. Step 2: Convert to fraction form
    96,636.50/133,312.98 = 68,357.78/x
  3. Step 3: Cross multiply
    96,636.50x = 133,312.98 × 68,357.78
  4. Step 4: Simplify right side
    96,636.50x = 9,112,979,357.98
  5. Step 5: Solve for x
    x = 9,112,979,357.98/96,636.50
  6. Step 6: Final answer
    x = 94,301.63

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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.