Home / 76,237.68-105,260.52-58,301.46

Finding the Fourth Proportional to 76,237.68, 105,260.52 and 58,301.46

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Solution

The fourth proportional to 76,237.68, 105,260.52 and 58,301.46 is: 80,496.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,237.68 : 105,260.52 = 58,301.46 : x
  2. Step 2: Convert to fraction form
    76,237.68/105,260.52 = 58,301.46/x
  3. Step 3: Cross multiply
    76,237.68x = 105,260.52 × 58,301.46
  4. Step 4: Simplify right side
    76,237.68x = 6,136,841,996.36
  5. Step 5: Solve for x
    x = 6,136,841,996.36/76,237.68
  6. Step 6: Final answer
    x = 80,496.18

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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.