Home / 74,834.29-112,253.87-39,286.63

Finding the Fourth Proportional to 74,834.29, 112,253.87 and 39,286.63

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Solution

The fourth proportional to 74,834.29, 112,253.87 and 39,286.63 is: 58,931.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,834.29 : 112,253.87 = 39,286.63 : x
  2. Step 2: Convert to fraction form
    74,834.29/112,253.87 = 39,286.63/x
  3. Step 3: Cross multiply
    74,834.29x = 112,253.87 × 39,286.63
  4. Step 4: Simplify right side
    74,834.29x = 4,410,076,256.76
  5. Step 5: Solve for x
    x = 4,410,076,256.76/74,834.29
  6. Step 6: Final answer
    x = 58,931.22

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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.