Home / 74,318.20-102,546.26-42,054.28

Finding the Fourth Proportional to 74,318.20, 102,546.26 and 42,054.28

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Solution

The fourth proportional to 74,318.20, 102,546.26 and 42,054.28 is: 58,027.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,318.20 : 102,546.26 = 42,054.28 : x
  2. Step 2: Convert to fraction form
    74,318.20/102,546.26 = 42,054.28/x
  3. Step 3: Cross multiply
    74,318.20x = 102,546.26 × 42,054.28
  4. Step 4: Simplify right side
    74,318.20x = 4,312,508,618.26
  5. Step 5: Solve for x
    x = 4,312,508,618.26/74,318.20
  6. Step 6: Final answer
    x = 58,027.63

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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.