Home / 71,729.03-98,945.61-43,041.07

Finding the Fourth Proportional to 71,729.03, 98,945.61 and 43,041.07

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Solution

The fourth proportional to 71,729.03, 98,945.61 and 43,041.07 is: 59,372.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,729.03 : 98,945.61 = 43,041.07 : x
  2. Step 2: Convert to fraction form
    71,729.03/98,945.61 = 43,041.07/x
  3. Step 3: Cross multiply
    71,729.03x = 98,945.61 × 43,041.07
  4. Step 4: Simplify right side
    71,729.03x = 4,258,724,431.47
  5. Step 5: Solve for x
    x = 4,258,724,431.47/71,729.03
  6. Step 6: Final answer
    x = 59,372.40

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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.