Home / 93,855.28-140,784-31,525.78

Finding the Fourth Proportional to 93,855.28, 140,784 and 31,525.78

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Solution

The fourth proportional to 93,855.28, 140,784 and 31,525.78 is: 47,289.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,855.28 : 140,784 = 31,525.78 : x
  2. Step 2: Convert to fraction form
    93,855.28/140,784 = 31,525.78/x
  3. Step 3: Cross multiply
    93,855.28x = 140,784 × 31,525.78
  4. Step 4: Simplify right side
    93,855.28x = 4,438,325,411.52
  5. Step 5: Solve for x
    x = 4,438,325,411.52/93,855.28
  6. Step 6: Final answer
    x = 47,289.03

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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.