Home / 56,113.81-84,156.31-16,661.77

Finding the Fourth Proportional to 56,113.81, 84,156.31 and 16,661.77

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Solution

The fourth proportional to 56,113.81, 84,156.31 and 16,661.77 is: 24,988.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,113.81 : 84,156.31 = 16,661.77 : x
  2. Step 2: Convert to fraction form
    56,113.81/84,156.31 = 16,661.77/x
  3. Step 3: Cross multiply
    56,113.81x = 84,156.31 × 16,661.77
  4. Step 4: Simplify right side
    56,113.81x = 1,402,193,081.27
  5. Step 5: Solve for x
    x = 1,402,193,081.27/56,113.81
  6. Step 6: Final answer
    x = 24,988.38

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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.