Home / 58,739.19-81,060.11-31,881.66

Finding the Fourth Proportional to 58,739.19, 81,060.11 and 31,881.66

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Solution

The fourth proportional to 58,739.19, 81,060.11 and 31,881.66 is: 43,996.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,739.19 : 81,060.11 = 31,881.66 : x
  2. Step 2: Convert to fraction form
    58,739.19/81,060.11 = 31,881.66/x
  3. Step 3: Cross multiply
    58,739.19x = 81,060.11 × 31,881.66
  4. Step 4: Simplify right side
    58,739.19x = 2,584,330,301.87
  5. Step 5: Solve for x
    x = 2,584,330,301.87/58,739.19
  6. Step 6: Final answer
    x = 43,996.70

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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.