Home / 90,635.76-125,068.32-52,932

Finding the Fourth Proportional to 90,635.76, 125,068.32 and 52,932

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Solution

The fourth proportional to 90,635.76, 125,068.32 and 52,932 is: 73,040.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,635.76 : 125,068.32 = 52,932 : x
  2. Step 2: Convert to fraction form
    90,635.76/125,068.32 = 52,932/x
  3. Step 3: Cross multiply
    90,635.76x = 125,068.32 × 52,932
  4. Step 4: Simplify right side
    90,635.76x = 6,620,116,314.24
  5. Step 5: Solve for x
    x = 6,620,116,314.24/90,635.76
  6. Step 6: Final answer
    x = 73,040.89

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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.