Home / 96,651.78-133,379.13-54,210.18

Finding the Fourth Proportional to 96,651.78, 133,379.13 and 54,210.18

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Solution

The fourth proportional to 96,651.78, 133,379.13 and 54,210.18 is: 74,809.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,651.78 : 133,379.13 = 54,210.18 : x
  2. Step 2: Convert to fraction form
    96,651.78/133,379.13 = 54,210.18/x
  3. Step 3: Cross multiply
    96,651.78x = 133,379.13 × 54,210.18
  4. Step 4: Simplify right side
    96,651.78x = 7,230,506,645.54
  5. Step 5: Solve for x
    x = 7,230,506,645.54/96,651.78
  6. Step 6: Final answer
    x = 74,809.87

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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.