Home / 96,462.05-133,114.54-53,439.78

Finding the Fourth Proportional to 96,462.05, 133,114.54 and 53,439.78

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Solution

The fourth proportional to 96,462.05, 133,114.54 and 53,439.78 is: 73,745.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,462.05 : 133,114.54 = 53,439.78 : x
  2. Step 2: Convert to fraction form
    96,462.05/133,114.54 = 53,439.78/x
  3. Step 3: Cross multiply
    96,462.05x = 133,114.54 × 53,439.78
  4. Step 4: Simplify right side
    96,462.05x = 7,113,611,465.20
  5. Step 5: Solve for x
    x = 7,113,611,465.20/96,462.05
  6. Step 6: Final answer
    x = 73,745.18

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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.