Home / 74,837.70-103,276.06-40,845.57

Finding the Fourth Proportional to 74,837.70, 103,276.06 and 40,845.57

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Solution

The fourth proportional to 74,837.70, 103,276.06 and 40,845.57 is: 56,366.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,837.70 : 103,276.06 = 40,845.57 : x
  2. Step 2: Convert to fraction form
    74,837.70/103,276.06 = 40,845.57/x
  3. Step 3: Cross multiply
    74,837.70x = 103,276.06 × 40,845.57
  4. Step 4: Simplify right side
    74,837.70x = 4,218,369,278.41
  5. Step 5: Solve for x
    x = 4,218,369,278.41/74,837.70
  6. Step 6: Final answer
    x = 56,366.90

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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.