Home / 97,709.10-146,563.65-66,216.30

Finding the Fourth Proportional to 97,709.10, 146,563.65 and 66,216.30

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Solution

The fourth proportional to 97,709.10, 146,563.65 and 66,216.30 is: 99,324.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,709.10 : 146,563.65 = 66,216.30 : x
  2. Step 2: Convert to fraction form
    97,709.10/146,563.65 = 66,216.30/x
  3. Step 3: Cross multiply
    97,709.10x = 146,563.65 × 66,216.30
  4. Step 4: Simplify right side
    97,709.10x = 9,704,902,617.50
  5. Step 5: Solve for x
    x = 9,704,902,617.50/97,709.10
  6. Step 6: Final answer
    x = 99,324.45

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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.