Home / 96,631.96-144,931-25,555.28

Finding the Fourth Proportional to 96,631.96, 144,931 and 25,555.28

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Solution

The fourth proportional to 96,631.96, 144,931 and 25,555.28 is: 38,328.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,631.96 : 144,931 = 25,555.28 : x
  2. Step 2: Convert to fraction form
    96,631.96/144,931 = 25,555.28/x
  3. Step 3: Cross multiply
    96,631.96x = 144,931 × 25,555.28
  4. Step 4: Simplify right side
    96,631.96x = 3,703,752,285.68
  5. Step 5: Solve for x
    x = 3,703,752,285.68/96,631.96
  6. Step 6: Final answer
    x = 38,328.44

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1.5x scale

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.