Home / 87,222.48-130,834.22-31,064.76

Finding the Fourth Proportional to 87,222.48, 130,834.22 and 31,064.76

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Solution

The fourth proportional to 87,222.48, 130,834.22 and 31,064.76 is: 46,597.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,222.48 : 130,834.22 = 31,064.76 : x
  2. Step 2: Convert to fraction form
    87,222.48/130,834.22 = 31,064.76/x
  3. Step 3: Cross multiply
    87,222.48x = 130,834.22 × 31,064.76
  4. Step 4: Simplify right side
    87,222.48x = 4,064,333,644.09
  5. Step 5: Solve for x
    x = 4,064,333,644.09/87,222.48
  6. Step 6: Final answer
    x = 46,597.32

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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.