Home / 93,629.40-140,444.10-68,551.80

Finding the Fourth Proportional to 93,629.40, 140,444.10 and 68,551.80

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Solution

The fourth proportional to 93,629.40, 140,444.10 and 68,551.80 is: 102,827.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,629.40 : 140,444.10 = 68,551.80 : x
  2. Step 2: Convert to fraction form
    93,629.40/140,444.10 = 68,551.80/x
  3. Step 3: Cross multiply
    93,629.40x = 140,444.10 × 68,551.80
  4. Step 4: Simplify right side
    93,629.40x = 9,627,695,854.38
  5. Step 5: Solve for x
    x = 9,627,695,854.38/93,629.40
  6. Step 6: Final answer
    x = 102,827.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.