Home / 53,761.15-80,641.86-16,321.51

Finding the Fourth Proportional to 53,761.15, 80,641.86 and 16,321.51

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Solution

The fourth proportional to 53,761.15, 80,641.86 and 16,321.51 is: 24,482.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,761.15 : 80,641.86 = 16,321.51 : x
  2. Step 2: Convert to fraction form
    53,761.15/80,641.86 = 16,321.51/x
  3. Step 3: Cross multiply
    53,761.15x = 80,641.86 × 16,321.51
  4. Step 4: Simplify right side
    53,761.15x = 1,316,196,924.41
  5. Step 5: Solve for x
    x = 1,316,196,924.41/53,761.15
  6. Step 6: Final answer
    x = 24,482.31

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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.