Home / 90,194.57-124,460.03-61,063.68

Finding the Fourth Proportional to 90,194.57, 124,460.03 and 61,063.68

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Solution

The fourth proportional to 90,194.57, 124,460.03 and 61,063.68 is: 84,262.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,194.57 : 124,460.03 = 61,063.68 : x
  2. Step 2: Convert to fraction form
    90,194.57/124,460.03 = 61,063.68/x
  3. Step 3: Cross multiply
    90,194.57x = 124,460.03 × 61,063.68
  4. Step 4: Simplify right side
    90,194.57x = 7,599,987,444.71
  5. Step 5: Solve for x
    x = 7,599,987,444.71/90,194.57
  6. Step 6: Final answer
    x = 84,262.14

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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.