Home / 56,355.74-84,536.20-31,376.98

Finding the Fourth Proportional to 56,355.74, 84,536.20 and 31,376.98

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Solution

The fourth proportional to 56,355.74, 84,536.20 and 31,376.98 is: 47,066.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,355.74 : 84,536.20 = 31,376.98 : x
  2. Step 2: Convert to fraction form
    56,355.74/84,536.20 = 31,376.98/x
  3. Step 3: Cross multiply
    56,355.74x = 84,536.20 × 31,376.98
  4. Step 4: Simplify right side
    56,355.74x = 2,652,490,234.00
  5. Step 5: Solve for x
    x = 2,652,490,234.00/56,355.74
  6. Step 6: Final answer
    x = 47,066.91

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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.