Home / 58,622.88-80,899.28-31,765.20

Finding the Fourth Proportional to 58,622.88, 80,899.28 and 31,765.20

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Solution

The fourth proportional to 58,622.88, 80,899.28 and 31,765.20 is: 43,835.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,622.88 : 80,899.28 = 31,765.20 : x
  2. Step 2: Convert to fraction form
    58,622.88/80,899.28 = 31,765.20/x
  3. Step 3: Cross multiply
    58,622.88x = 80,899.28 × 31,765.20
  4. Step 4: Simplify right side
    58,622.88x = 2,569,781,809.06
  5. Step 5: Solve for x
    x = 2,569,781,809.06/58,622.88
  6. Step 6: Final answer
    x = 43,835.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.