Home / 75,527.40-113,291.10-65,904.60

Finding the Fourth Proportional to 75,527.40, 113,291.10 and 65,904.60

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Solution

The fourth proportional to 75,527.40, 113,291.10 and 65,904.60 is: 98,856.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,527.40 : 113,291.10 = 65,904.60 : x
  2. Step 2: Convert to fraction form
    75,527.40/113,291.10 = 65,904.60/x
  3. Step 3: Cross multiply
    75,527.40x = 113,291.10 × 65,904.60
  4. Step 4: Simplify right side
    75,527.40x = 7,466,404,629.06
  5. Step 5: Solve for x
    x = 7,466,404,629.06/75,527.40
  6. Step 6: Final answer
    x = 98,856.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.