Home / 65,160.05-89,922.76-36,865.13

Finding the Fourth Proportional to 65,160.05, 89,922.76 and 36,865.13

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Solution

The fourth proportional to 65,160.05, 89,922.76 and 36,865.13 is: 50,874.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,160.05 : 89,922.76 = 36,865.13 : x
  2. Step 2: Convert to fraction form
    65,160.05/89,922.76 = 36,865.13/x
  3. Step 3: Cross multiply
    65,160.05x = 89,922.76 × 36,865.13
  4. Step 4: Simplify right side
    65,160.05x = 3,315,013,695.58
  5. Step 5: Solve for x
    x = 3,315,013,695.58/65,160.05
  6. Step 6: Final answer
    x = 50,874.94

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1.5x scale

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.