Home / 82,737.12-114,175.64-45,942.08

Finding the Fourth Proportional to 82,737.12, 114,175.64 and 45,942.08

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Solution

The fourth proportional to 82,737.12, 114,175.64 and 45,942.08 is: 63,399.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,737.12 : 114,175.64 = 45,942.08 : x
  2. Step 2: Convert to fraction form
    82,737.12/114,175.64 = 45,942.08/x
  3. Step 3: Cross multiply
    82,737.12x = 114,175.64 × 45,942.08
  4. Step 4: Simplify right side
    82,737.12x = 5,245,466,386.93
  5. Step 5: Solve for x
    x = 5,245,466,386.93/82,737.12
  6. Step 6: Final answer
    x = 63,399.19

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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.