Home / 48,250.46-72,457.91-31,412.15

Finding the Fourth Proportional to 48,250.46, 72,457.91 and 31,412.15

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Solution

The fourth proportional to 48,250.46, 72,457.91 and 31,412.15 is: 47,171.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,250.46 : 72,457.91 = 31,412.15 : x
  2. Step 2: Convert to fraction form
    48,250.46/72,457.91 = 31,412.15/x
  3. Step 3: Cross multiply
    48,250.46x = 72,457.91 × 31,412.15
  4. Step 4: Simplify right side
    48,250.46x = 2,276,058,580.55
  5. Step 5: Solve for x
    x = 2,276,058,580.55/48,250.46
  6. Step 6: Final answer
    x = 47,171.75

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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.