Home / 56,205.54-77,565.21-31,056.66

Finding the Fourth Proportional to 56,205.54, 77,565.21 and 31,056.66

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Solution

The fourth proportional to 56,205.54, 77,565.21 and 31,056.66 is: 42,859.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,205.54 : 77,565.21 = 31,056.66 : x
  2. Step 2: Convert to fraction form
    56,205.54/77,565.21 = 31,056.66/x
  3. Step 3: Cross multiply
    56,205.54x = 77,565.21 × 31,056.66
  4. Step 4: Simplify right side
    56,205.54x = 2,408,916,354.80
  5. Step 5: Solve for x
    x = 2,408,916,354.80/56,205.54
  6. Step 6: Final answer
    x = 42,859.06

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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.