Home / 93,739.52-129,360.30-51,297.68

Finding the Fourth Proportional to 93,739.52, 129,360.30 and 51,297.68

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Solution

The fourth proportional to 93,739.52, 129,360.30 and 51,297.68 is: 70,790.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,739.52 : 129,360.30 = 51,297.68 : x
  2. Step 2: Convert to fraction form
    93,739.52/129,360.30 = 51,297.68/x
  3. Step 3: Cross multiply
    93,739.52x = 129,360.30 × 51,297.68
  4. Step 4: Simplify right side
    93,739.52x = 6,635,883,274.10
  5. Step 5: Solve for x
    x = 6,635,883,274.10/93,739.52
  6. Step 6: Final answer
    x = 70,790.67

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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.