Home / 74,988.15-103,483.85-40,997.04

Finding the Fourth Proportional to 74,988.15, 103,483.85 and 40,997.04

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Solution

The fourth proportional to 74,988.15, 103,483.85 and 40,997.04 is: 56,576.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,988.15 : 103,483.85 = 40,997.04 : x
  2. Step 2: Convert to fraction form
    74,988.15/103,483.85 = 40,997.04/x
  3. Step 3: Cross multiply
    74,988.15x = 103,483.85 × 40,997.04
  4. Step 4: Simplify right side
    74,988.15x = 4,242,531,332.82
  5. Step 5: Solve for x
    x = 4,242,531,332.82/74,988.15
  6. Step 6: Final answer
    x = 56,576.02

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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.