Home / 74,972.22-103,462.23-40,980.30

Finding the Fourth Proportional to 74,972.22, 103,462.23 and 40,980.30

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Solution

The fourth proportional to 74,972.22, 103,462.23 and 40,980.30 is: 56,553.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,972.22 : 103,462.23 = 40,980.30 : x
  2. Step 2: Convert to fraction form
    74,972.22/103,462.23 = 40,980.30/x
  3. Step 3: Cross multiply
    74,972.22x = 103,462.23 × 40,980.30
  4. Step 4: Simplify right side
    74,972.22x = 4,239,913,224.07
  5. Step 5: Solve for x
    x = 4,239,913,224.07/74,972.22
  6. Step 6: Final answer
    x = 56,553.12

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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.