Home / 67,531.50-101,216.34-31,459.32

Finding the Fourth Proportional to 67,531.50, 101,216.34 and 31,459.32

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Solution

The fourth proportional to 67,531.50, 101,216.34 and 31,459.32 is: 47,151.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,531.50 : 101,216.34 = 31,459.32 : x
  2. Step 2: Convert to fraction form
    67,531.50/101,216.34 = 31,459.32/x
  3. Step 3: Cross multiply
    67,531.50x = 101,216.34 × 31,459.32
  4. Step 4: Simplify right side
    67,531.50x = 3,184,197,229.29
  5. Step 5: Solve for x
    x = 3,184,197,229.29/67,531.50
  6. Step 6: Final answer
    x = 47,151.29

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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.