Home / 91,579.84-126,381.44-59,730.46

Finding the Fourth Proportional to 91,579.84, 126,381.44 and 59,730.46

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Solution

The fourth proportional to 91,579.84, 126,381.44 and 59,730.46 is: 82,428.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,579.84 : 126,381.44 = 59,730.46 : x
  2. Step 2: Convert to fraction form
    91,579.84/126,381.44 = 59,730.46/x
  3. Step 3: Cross multiply
    91,579.84x = 126,381.44 × 59,730.46
  4. Step 4: Simplify right side
    91,579.84x = 7,548,821,546.66
  5. Step 5: Solve for x
    x = 7,548,821,546.66/91,579.84
  6. Step 6: Final answer
    x = 82,428.86

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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.