Home / 93,822.64-129,475.20-51,380.80

Finding the Fourth Proportional to 93,822.64, 129,475.20 and 51,380.80

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Solution

The fourth proportional to 93,822.64, 129,475.20 and 51,380.80 is: 70,905.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,822.64 : 129,475.20 = 51,380.80 : x
  2. Step 2: Convert to fraction form
    93,822.64/129,475.20 = 51,380.80/x
  3. Step 3: Cross multiply
    93,822.64x = 129,475.20 × 51,380.80
  4. Step 4: Simplify right side
    93,822.64x = 6,652,539,356.16
  5. Step 5: Solve for x
    x = 6,652,539,356.16/93,822.64
  6. Step 6: Final answer
    x = 70,905.48

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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.