Home / 43,123.86-64,671.75-16,837.74

Finding the Fourth Proportional to 43,123.86, 64,671.75 and 16,837.74

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Solution

The fourth proportional to 43,123.86, 64,671.75 and 16,837.74 is: 25,251.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,123.86 : 64,671.75 = 16,837.74 : x
  2. Step 2: Convert to fraction form
    43,123.86/64,671.75 = 16,837.74/x
  3. Step 3: Cross multiply
    43,123.86x = 64,671.75 × 16,837.74
  4. Step 4: Simplify right side
    43,123.86x = 1,088,926,111.85
  5. Step 5: Solve for x
    x = 1,088,926,111.85/43,123.86
  6. Step 6: Final answer
    x = 25,251.13

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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.