Home / 93,664.74-129,255.30-51,223.20

Finding the Fourth Proportional to 93,664.74, 129,255.30 and 51,223.20

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Solution

The fourth proportional to 93,664.74, 129,255.30 and 51,223.20 is: 70,686.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,664.74 : 129,255.30 = 51,223.20 : x
  2. Step 2: Convert to fraction form
    93,664.74/129,255.30 = 51,223.20/x
  3. Step 3: Cross multiply
    93,664.74x = 129,255.30 × 51,223.20
  4. Step 4: Simplify right side
    93,664.74x = 6,620,870,082.96
  5. Step 5: Solve for x
    x = 6,620,870,082.96/93,664.74
  6. Step 6: Final answer
    x = 70,686.90

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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.