Home / 58,437.03-80,643.13-31,579.53

Finding the Fourth Proportional to 58,437.03, 80,643.13 and 31,579.53

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Solution

The fourth proportional to 58,437.03, 80,643.13 and 31,579.53 is: 43,579.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,437.03 : 80,643.13 = 31,579.53 : x
  2. Step 2: Convert to fraction form
    58,437.03/80,643.13 = 31,579.53/x
  3. Step 3: Cross multiply
    58,437.03x = 80,643.13 × 31,579.53
  4. Step 4: Simplify right side
    58,437.03x = 2,546,671,761.77
  5. Step 5: Solve for x
    x = 2,546,671,761.77/58,437.03
  6. Step 6: Final answer
    x = 43,579.76

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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.