Home / 50,872.86-70,135.47-42,901.11

Finding the Fourth Proportional to 50,872.86, 70,135.47 and 42,901.11

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Solution

The fourth proportional to 50,872.86, 70,135.47 and 42,901.11 is: 59,145.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,872.86 : 70,135.47 = 42,901.11 : x
  2. Step 2: Convert to fraction form
    50,872.86/70,135.47 = 42,901.11/x
  3. Step 3: Cross multiply
    50,872.86x = 70,135.47 × 42,901.11
  4. Step 4: Simplify right side
    50,872.86x = 3,008,889,513.37
  5. Step 5: Solve for x
    x = 3,008,889,513.37/50,872.86
  6. Step 6: Final answer
    x = 59,145.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.