Home / 108,458.16-162,688.68-55,840.56

Finding the Fourth Proportional to 108,458.16, 162,688.68 and 55,840.56

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Solution

The fourth proportional to 108,458.16, 162,688.68 and 55,840.56 is: 83,761.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,458.16 : 162,688.68 = 55,840.56 : x
  2. Step 2: Convert to fraction form
    108,458.16/162,688.68 = 55,840.56/x
  3. Step 3: Cross multiply
    108,458.16x = 162,688.68 × 55,840.56
  4. Step 4: Simplify right side
    108,458.16x = 9,084,626,996.86
  5. Step 5: Solve for x
    x = 9,084,626,996.86/108,458.16
  6. Step 6: Final answer
    x = 83,761.58

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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.