Home / 74,724.55-103,118.22-40,731.74

Finding the Fourth Proportional to 74,724.55, 103,118.22 and 40,731.74

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Solution

The fourth proportional to 74,724.55, 103,118.22 and 40,731.74 is: 56,208.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,724.55 : 103,118.22 = 40,731.74 : x
  2. Step 2: Convert to fraction form
    74,724.55/103,118.22 = 40,731.74/x
  3. Step 3: Cross multiply
    74,724.55x = 103,118.22 × 40,731.74
  4. Step 4: Simplify right side
    74,724.55x = 4,200,184,526.30
  5. Step 5: Solve for x
    x = 4,200,184,526.30/74,724.55
  6. Step 6: Final answer
    x = 56,208.90

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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.