Home / 74,066.32-102,207.60-40,525.84

Finding the Fourth Proportional to 74,066.32, 102,207.60 and 40,525.84

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Solution

The fourth proportional to 74,066.32, 102,207.60 and 40,525.84 is: 55,923.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,066.32 : 102,207.60 = 40,525.84 : x
  2. Step 2: Convert to fraction form
    74,066.32/102,207.60 = 40,525.84/x
  3. Step 3: Cross multiply
    74,066.32x = 102,207.60 × 40,525.84
  4. Step 4: Simplify right side
    74,066.32x = 4,142,048,844.38
  5. Step 5: Solve for x
    x = 4,142,048,844.38/74,066.32
  6. Step 6: Final answer
    x = 55,923.51

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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.