Home / 75,548.86-104,178.27-56,397.92

Finding the Fourth Proportional to 75,548.86, 104,178.27 and 56,397.92

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Solution

The fourth proportional to 75,548.86, 104,178.27 and 56,397.92 is: 77,770.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,548.86 : 104,178.27 = 56,397.92 : x
  2. Step 2: Convert to fraction form
    75,548.86/104,178.27 = 56,397.92/x
  3. Step 3: Cross multiply
    75,548.86x = 104,178.27 × 56,397.92
  4. Step 4: Simplify right side
    75,548.86x = 5,875,436,934.32
  5. Step 5: Solve for x
    x = 5,875,436,934.32/75,548.86
  6. Step 6: Final answer
    x = 77,770.03

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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.