Home / 97,635.72-134,740.48-54,028.78

Finding the Fourth Proportional to 97,635.72, 134,740.48 and 54,028.78

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Solution

The fourth proportional to 97,635.72, 134,740.48 and 54,028.78 is: 74,561.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,635.72 : 134,740.48 = 54,028.78 : x
  2. Step 2: Convert to fraction form
    97,635.72/134,740.48 = 54,028.78/x
  3. Step 3: Cross multiply
    97,635.72x = 134,740.48 × 54,028.78
  4. Step 4: Simplify right side
    97,635.72x = 7,279,863,751.01
  5. Step 5: Solve for x
    x = 7,279,863,751.01/97,635.72
  6. Step 6: Final answer
    x = 74,561.48

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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.