Home / 83,039.45-114,594.75-45,313.70

Finding the Fourth Proportional to 83,039.45, 114,594.75 and 45,313.70

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Solution

The fourth proportional to 83,039.45, 114,594.75 and 45,313.70 is: 62,533.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,039.45 : 114,594.75 = 45,313.70 : x
  2. Step 2: Convert to fraction form
    83,039.45/114,594.75 = 45,313.70/x
  3. Step 3: Cross multiply
    83,039.45x = 114,594.75 × 45,313.70
  4. Step 4: Simplify right side
    83,039.45x = 5,192,711,550.10
  5. Step 5: Solve for x
    x = 5,192,711,550.10/83,039.45
  6. Step 6: Final answer
    x = 62,533.07

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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.