Home / 74,258.46-102,476.91-40,266.92

Finding the Fourth Proportional to 74,258.46, 102,476.91 and 40,266.92

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Solution

The fourth proportional to 74,258.46, 102,476.91 and 40,266.92 is: 55,568.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,258.46 : 102,476.91 = 40,266.92 : x
  2. Step 2: Convert to fraction form
    74,258.46/102,476.91 = 40,266.92/x
  3. Step 3: Cross multiply
    74,258.46x = 102,476.91 × 40,266.92
  4. Step 4: Simplify right side
    74,258.46x = 4,126,429,944.01
  5. Step 5: Solve for x
    x = 4,126,429,944.01/74,258.46
  6. Step 6: Final answer
    x = 55,568.48

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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.