Home / 91,730.53-126,470.94-59,408.03

Finding the Fourth Proportional to 91,730.53, 126,470.94 and 59,408.03

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Solution

The fourth proportional to 91,730.53, 126,470.94 and 59,408.03 is: 81,907.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,730.53 : 126,470.94 = 59,408.03 : x
  2. Step 2: Convert to fraction form
    91,730.53/126,470.94 = 59,408.03/x
  3. Step 3: Cross multiply
    91,730.53x = 126,470.94 × 59,408.03
  4. Step 4: Simplify right side
    91,730.53x = 7,513,389,713.83
  5. Step 5: Solve for x
    x = 7,513,389,713.83/91,730.53
  6. Step 6: Final answer
    x = 81,907.19

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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.