Home / 93,732.20-140,598.30-86,515.10

Finding the Fourth Proportional to 93,732.20, 140,598.30 and 86,515.10

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Solution

The fourth proportional to 93,732.20, 140,598.30 and 86,515.10 is: 129,772.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,732.20 : 140,598.30 = 86,515.10 : x
  2. Step 2: Convert to fraction form
    93,732.20/140,598.30 = 86,515.10/x
  3. Step 3: Cross multiply
    93,732.20x = 140,598.30 × 86,515.10
  4. Step 4: Simplify right side
    93,732.20x = 12,163,875,984.33
  5. Step 5: Solve for x
    x = 12,163,875,984.33/93,732.20
  6. Step 6: Final answer
    x = 129,772.65

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1.5x scale

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.