Home / 56,400.84-84,603.77-31,421.96

Finding the Fourth Proportional to 56,400.84, 84,603.77 and 31,421.96

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Solution

The fourth proportional to 56,400.84, 84,603.77 and 31,421.96 is: 47,134.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,400.84 : 84,603.77 = 31,421.96 : x
  2. Step 2: Convert to fraction form
    56,400.84/84,603.77 = 31,421.96/x
  3. Step 3: Cross multiply
    56,400.84x = 84,603.77 × 31,421.96
  4. Step 4: Simplify right side
    56,400.84x = 2,658,416,276.79
  5. Step 5: Solve for x
    x = 2,658,416,276.79/56,400.84
  6. Step 6: Final answer
    x = 47,134.34

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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.