Home / 108,565.02-162,903.78-72,566.66

Finding the Fourth Proportional to 108,565.02, 162,903.78 and 72,566.66

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Solution

The fourth proportional to 108,565.02, 162,903.78 and 72,566.66 is: 108,887.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,565.02 : 162,903.78 = 72,566.66 : x
  2. Step 2: Convert to fraction form
    108,565.02/162,903.78 = 72,566.66/x
  3. Step 3: Cross multiply
    108,565.02x = 162,903.78 × 72,566.66
  4. Step 4: Simplify right side
    108,565.02x = 11,821,383,623.23
  5. Step 5: Solve for x
    x = 11,821,383,623.23/108,565.02
  6. Step 6: Final answer
    x = 108,887.59

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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.