Home / 74,459.16-102,754.32-40,467.73

Finding the Fourth Proportional to 74,459.16, 102,754.32 and 40,467.73

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Solution

The fourth proportional to 74,459.16, 102,754.32 and 40,467.73 is: 55,845.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,459.16 : 102,754.32 = 40,467.73 : x
  2. Step 2: Convert to fraction form
    74,459.16/102,754.32 = 40,467.73/x
  3. Step 3: Cross multiply
    74,459.16x = 102,754.32 × 40,467.73
  4. Step 4: Simplify right side
    74,459.16x = 4,158,233,875.75
  5. Step 5: Solve for x
    x = 4,158,233,875.75/74,459.16
  6. Step 6: Final answer
    x = 55,845.84

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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.