Home / 74,181.16-102,374.10-42,360.28

Finding the Fourth Proportional to 74,181.16, 102,374.10 and 42,360.28

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Solution

The fourth proportional to 74,181.16, 102,374.10 and 42,360.28 is: 58,459.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,181.16 : 102,374.10 = 42,360.28 : x
  2. Step 2: Convert to fraction form
    74,181.16/102,374.10 = 42,360.28/x
  3. Step 3: Cross multiply
    74,181.16x = 102,374.10 × 42,360.28
  4. Step 4: Simplify right side
    74,181.16x = 4,336,595,540.75
  5. Step 5: Solve for x
    x = 4,336,595,540.75/74,181.16
  6. Step 6: Final answer
    x = 58,459.53

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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.