Home / 74,725.10-103,119.23-40,733.90

Finding the Fourth Proportional to 74,725.10, 103,119.23 and 40,733.90

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Solution

The fourth proportional to 74,725.10, 103,119.23 and 40,733.90 is: 56,212.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,725.10 : 103,119.23 = 40,733.90 : x
  2. Step 2: Convert to fraction form
    74,725.10/103,119.23 = 40,733.90/x
  3. Step 3: Cross multiply
    74,725.10x = 103,119.23 × 40,733.90
  4. Step 4: Simplify right side
    74,725.10x = 4,200,448,402.90
  5. Step 5: Solve for x
    x = 4,200,448,402.90/74,725.10
  6. Step 6: Final answer
    x = 56,212.01

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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.