Home / 91,443.48-126,211.73-55,645.01

Finding the Fourth Proportional to 91,443.48, 126,211.73 and 55,645.01

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Solution

The fourth proportional to 91,443.48, 126,211.73 and 55,645.01 is: 76,802.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,443.48 : 126,211.73 = 55,645.01 : x
  2. Step 2: Convert to fraction form
    91,443.48/126,211.73 = 55,645.01/x
  3. Step 3: Cross multiply
    91,443.48x = 126,211.73 × 55,645.01
  4. Step 4: Simplify right side
    91,443.48x = 7,023,052,977.97
  5. Step 5: Solve for x
    x = 7,023,052,977.97/91,443.48
  6. Step 6: Final answer
    x = 76,802.12

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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.