Home / 62,181.68-85,742.96-42,003.53

Finding the Fourth Proportional to 62,181.68, 85,742.96 and 42,003.53

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Solution

The fourth proportional to 62,181.68, 85,742.96 and 42,003.53 is: 57,919.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,181.68 : 85,742.96 = 42,003.53 : x
  2. Step 2: Convert to fraction form
    62,181.68/85,742.96 = 42,003.53/x
  3. Step 3: Cross multiply
    62,181.68x = 85,742.96 × 42,003.53
  4. Step 4: Simplify right side
    62,181.68x = 3,601,506,675.45
  5. Step 5: Solve for x
    x = 3,601,506,675.45/62,181.68
  6. Step 6: Final answer
    x = 57,919.10

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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.