Home / 52,111.69-78,128.65-24,403.21

Finding the Fourth Proportional to 52,111.69, 78,128.65 and 24,403.21

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Solution

The fourth proportional to 52,111.69, 78,128.65 and 24,403.21 is: 36,586.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,111.69 : 78,128.65 = 24,403.21 : x
  2. Step 2: Convert to fraction form
    52,111.69/78,128.65 = 24,403.21/x
  3. Step 3: Cross multiply
    52,111.69x = 78,128.65 × 24,403.21
  4. Step 4: Simplify right side
    52,111.69x = 1,906,589,852.97
  5. Step 5: Solve for x
    x = 1,906,589,852.97/52,111.69
  6. Step 6: Final answer
    x = 36,586.61

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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.