Home / 93,919.70-129,622.47-58,121.25

Finding the Fourth Proportional to 93,919.70, 129,622.47 and 58,121.25

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Solution

The fourth proportional to 93,919.70, 129,622.47 and 58,121.25 is: 80,215.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,919.70 : 129,622.47 = 58,121.25 : x
  2. Step 2: Convert to fraction form
    93,919.70/129,622.47 = 58,121.25/x
  3. Step 3: Cross multiply
    93,919.70x = 129,622.47 × 58,121.25
  4. Step 4: Simplify right side
    93,919.70x = 7,533,819,984.49
  5. Step 5: Solve for x
    x = 7,533,819,984.49/93,919.70
  6. Step 6: Final answer
    x = 80,215.55

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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.