Home / 76,237.68-105,260.49-58,301.43

Finding the Fourth Proportional to 76,237.68, 105,260.49 and 58,301.43

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Solution

The fourth proportional to 76,237.68, 105,260.49 and 58,301.43 is: 80,496.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,237.68 : 105,260.49 = 58,301.43 : x
  2. Step 2: Convert to fraction form
    76,237.68/105,260.49 = 58,301.43/x
  3. Step 3: Cross multiply
    76,237.68x = 105,260.49 × 58,301.43
  4. Step 4: Simplify right side
    76,237.68x = 6,136,837,089.50
  5. Step 5: Solve for x
    x = 6,136,837,089.50/76,237.68
  6. Step 6: Final answer
    x = 80,496.12

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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.