Home / 83,358.71-115,035.01-45,118.25

Finding the Fourth Proportional to 83,358.71, 115,035.01 and 45,118.25

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Solution

The fourth proportional to 83,358.71, 115,035.01 and 45,118.25 is: 62,263.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,358.71 : 115,035.01 = 45,118.25 : x
  2. Step 2: Convert to fraction form
    83,358.71/115,035.01 = 45,118.25/x
  3. Step 3: Cross multiply
    83,358.71x = 115,035.01 × 45,118.25
  4. Step 4: Simplify right side
    83,358.71x = 5,190,177,696.36
  5. Step 5: Solve for x
    x = 5,190,177,696.36/83,358.71
  6. Step 6: Final answer
    x = 62,263.17

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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.