Home / 65,330.38-90,206.76-50,199.04

Finding the Fourth Proportional to 65,330.38, 90,206.76 and 50,199.04

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Solution

The fourth proportional to 65,330.38, 90,206.76 and 50,199.04 is: 69,313.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,330.38 : 90,206.76 = 50,199.04 : x
  2. Step 2: Convert to fraction form
    65,330.38/90,206.76 = 50,199.04/x
  3. Step 3: Cross multiply
    65,330.38x = 90,206.76 × 50,199.04
  4. Step 4: Simplify right side
    65,330.38x = 4,528,292,753.51
  5. Step 5: Solve for x
    x = 4,528,292,753.51/65,330.38
  6. Step 6: Final answer
    x = 69,313.74

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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.