Home / 104,863.47-144,711.81-57,116.67

Finding the Fourth Proportional to 104,863.47, 144,711.81 and 57,116.67

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Solution

The fourth proportional to 104,863.47, 144,711.81 and 57,116.67 is: 78,821.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,863.47 : 144,711.81 = 57,116.67 : x
  2. Step 2: Convert to fraction form
    104,863.47/144,711.81 = 57,116.67/x
  3. Step 3: Cross multiply
    104,863.47x = 144,711.81 × 57,116.67
  4. Step 4: Simplify right side
    104,863.47x = 8,265,456,696.87
  5. Step 5: Solve for x
    x = 8,265,456,696.87/104,863.47
  6. Step 6: Final answer
    x = 78,821.13

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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.