Home / 65,130.16-89,884.45-36,452.70

Finding the Fourth Proportional to 65,130.16, 89,884.45 and 36,452.70

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Solution

The fourth proportional to 65,130.16, 89,884.45 and 36,452.70 is: 50,307.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,130.16 : 89,884.45 = 36,452.70 : x
  2. Step 2: Convert to fraction form
    65,130.16/89,884.45 = 36,452.70/x
  3. Step 3: Cross multiply
    65,130.16x = 89,884.45 × 36,452.70
  4. Step 4: Simplify right side
    65,130.16x = 3,276,530,890.52
  5. Step 5: Solve for x
    x = 3,276,530,890.52/65,130.16
  6. Step 6: Final answer
    x = 50,307.43

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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.