Home / 89,126.56-122,982.98-53,303.50

Finding the Fourth Proportional to 89,126.56, 122,982.98 and 53,303.50

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Solution

The fourth proportional to 89,126.56, 122,982.98 and 53,303.50 is: 73,551.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,126.56 : 122,982.98 = 53,303.50 : x
  2. Step 2: Convert to fraction form
    89,126.56/122,982.98 = 53,303.50/x
  3. Step 3: Cross multiply
    89,126.56x = 122,982.98 × 53,303.50
  4. Step 4: Simplify right side
    89,126.56x = 6,555,423,274.43
  5. Step 5: Solve for x
    x = 6,555,423,274.43/89,126.56
  6. Step 6: Final answer
    x = 73,551.85

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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.