Home / 93,787.67-129,401.40-53,486.73

Finding the Fourth Proportional to 93,787.67, 129,401.40 and 53,486.73

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Solution

The fourth proportional to 93,787.67, 129,401.40 and 53,486.73 is: 73,797.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,787.67 : 129,401.40 = 53,486.73 : x
  2. Step 2: Convert to fraction form
    93,787.67/129,401.40 = 53,486.73/x
  3. Step 3: Cross multiply
    93,787.67x = 129,401.40 × 53,486.73
  4. Step 4: Simplify right side
    93,787.67x = 6,921,257,743.42
  5. Step 5: Solve for x
    x = 6,921,257,743.42/93,787.67
  6. Step 6: Final answer
    x = 73,797.10

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1.5x scale

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.