Home / 74,655.93-103,022.10-40,664.55

Finding the Fourth Proportional to 74,655.93, 103,022.10 and 40,664.55

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Solution

The fourth proportional to 74,655.93, 103,022.10 and 40,664.55 is: 56,115.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,655.93 : 103,022.10 = 40,664.55 : x
  2. Step 2: Convert to fraction form
    74,655.93/103,022.10 = 40,664.55/x
  3. Step 3: Cross multiply
    74,655.93x = 103,022.10 × 40,664.55
  4. Step 4: Simplify right side
    74,655.93x = 4,189,347,336.56
  5. Step 5: Solve for x
    x = 4,189,347,336.56/74,655.93
  6. Step 6: Final answer
    x = 56,115.40

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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.