Home / 93,380.30-139,985.40-34,201.70

Finding the Fourth Proportional to 93,380.30, 139,985.40 and 34,201.70

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Solution

The fourth proportional to 93,380.30, 139,985.40 and 34,201.70 is: 51,271.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,380.30 : 139,985.40 = 34,201.70 : x
  2. Step 2: Convert to fraction form
    93,380.30/139,985.40 = 34,201.70/x
  3. Step 3: Cross multiply
    93,380.30x = 139,985.40 × 34,201.70
  4. Step 4: Simplify right side
    93,380.30x = 4,787,738,655.18
  5. Step 5: Solve for x
    x = 4,787,738,655.18/93,380.30
  6. Step 6: Final answer
    x = 51,271.40

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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.