Home / 58,739.14-81,060.10-31,881.66

Finding the Fourth Proportional to 58,739.14, 81,060.10 and 31,881.66

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Solution

The fourth proportional to 58,739.14, 81,060.10 and 31,881.66 is: 43,996.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,739.14 : 81,060.10 = 31,881.66 : x
  2. Step 2: Convert to fraction form
    58,739.14/81,060.10 = 31,881.66/x
  3. Step 3: Cross multiply
    58,739.14x = 81,060.10 × 31,881.66
  4. Step 4: Simplify right side
    58,739.14x = 2,584,330,547.77
  5. Step 5: Solve for x
    x = 2,584,330,547.77/58,739.14
  6. Step 6: Final answer
    x = 43,996.74

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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.