Home / 93,797.19-129,440.09-51,355.69

Finding the Fourth Proportional to 93,797.19, 129,440.09 and 51,355.69

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Solution

The fourth proportional to 93,797.19, 129,440.09 and 51,355.69 is: 70,870.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,797.19 : 129,440.09 = 51,355.69 : x
  2. Step 2: Convert to fraction form
    93,797.19/129,440.09 = 51,355.69/x
  3. Step 3: Cross multiply
    93,797.19x = 129,440.09 × 51,355.69
  4. Step 4: Simplify right side
    93,797.19x = 6,647,484,940.40
  5. Step 5: Solve for x
    x = 6,647,484,940.40/93,797.19
  6. Step 6: Final answer
    x = 70,870.83

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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.