Home / 77,372.34-116,066.88-33,003.78

Finding the Fourth Proportional to 77,372.34, 116,066.88 and 33,003.78

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Solution

The fourth proportional to 77,372.34, 116,066.88 and 33,003.78 is: 49,509.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,372.34 : 116,066.88 = 33,003.78 : x
  2. Step 2: Convert to fraction form
    77,372.34/116,066.88 = 33,003.78/x
  3. Step 3: Cross multiply
    77,372.34x = 116,066.88 × 33,003.78
  4. Step 4: Simplify right side
    77,372.34x = 3,830,645,772.81
  5. Step 5: Solve for x
    x = 3,830,645,772.81/77,372.34
  6. Step 6: Final answer
    x = 49,509.24

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1.5x scale

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.