Home / 83,015.16-114,562.74-45,289.38

Finding the Fourth Proportional to 83,015.16, 114,562.74 and 45,289.38

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Solution

The fourth proportional to 83,015.16, 114,562.74 and 45,289.38 is: 62,500.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,015.16 : 114,562.74 = 45,289.38 : x
  2. Step 2: Convert to fraction form
    83,015.16/114,562.74 = 45,289.38/x
  3. Step 3: Cross multiply
    83,015.16x = 114,562.74 × 45,289.38
  4. Step 4: Simplify right side
    83,015.16x = 5,188,475,465.70
  5. Step 5: Solve for x
    x = 5,188,475,465.70/83,015.16
  6. Step 6: Final answer
    x = 62,500.34

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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.