Home / 74,723.03-103,117.11-40,731.52

Finding the Fourth Proportional to 74,723.03, 103,117.11 and 40,731.52

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Solution

The fourth proportional to 74,723.03, 103,117.11 and 40,731.52 is: 56,209.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,723.03 : 103,117.11 = 40,731.52 : x
  2. Step 2: Convert to fraction form
    74,723.03/103,117.11 = 40,731.52/x
  3. Step 3: Cross multiply
    74,723.03x = 103,117.11 × 40,731.52
  4. Step 4: Simplify right side
    74,723.03x = 4,200,116,628.31
  5. Step 5: Solve for x
    x = 4,200,116,628.31/74,723.03
  6. Step 6: Final answer
    x = 56,209.13

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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.