Home / 65,120.60-97,697.28-30,085.04

Finding the Fourth Proportional to 65,120.60, 97,697.28 and 30,085.04

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Solution

The fourth proportional to 65,120.60, 97,697.28 and 30,085.04 is: 45,135.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,120.60 : 97,697.28 = 30,085.04 : x
  2. Step 2: Convert to fraction form
    65,120.60/97,697.28 = 30,085.04/x
  3. Step 3: Cross multiply
    65,120.60x = 97,697.28 × 30,085.04
  4. Step 4: Simplify right side
    65,120.60x = 2,939,226,576.69
  5. Step 5: Solve for x
    x = 2,939,226,576.69/65,120.60
  6. Step 6: Final answer
    x = 45,135.13

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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.