Home / 74,719.22-103,112.58-40,727.00

Finding the Fourth Proportional to 74,719.22, 103,112.58 and 40,727.00

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Solution

The fourth proportional to 74,719.22, 103,112.58 and 40,727.00 is: 56,203.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,719.22 : 103,112.58 = 40,727.00 : x
  2. Step 2: Convert to fraction form
    74,719.22/103,112.58 = 40,727.00/x
  3. Step 3: Cross multiply
    74,719.22x = 103,112.58 × 40,727.00
  4. Step 4: Simplify right side
    74,719.22x = 4,199,465,530.10
  5. Step 5: Solve for x
    x = 4,199,465,530.10/74,719.22
  6. Step 6: Final answer
    x = 56,203.29

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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.