Home / 108,047.20-161,973.60-70,625.20

Finding the Fourth Proportional to 108,047.20, 161,973.60 and 70,625.20

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Solution

The fourth proportional to 108,047.20, 161,973.60 and 70,625.20 is: 105,874.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,047.20 : 161,973.60 = 70,625.20 : x
  2. Step 2: Convert to fraction form
    108,047.20/161,973.60 = 70,625.20/x
  3. Step 3: Cross multiply
    108,047.20x = 161,973.60 × 70,625.20
  4. Step 4: Simplify right side
    108,047.20x = 11,439,417,894.72
  5. Step 5: Solve for x
    x = 11,439,417,894.72/108,047.20
  6. Step 6: Final answer
    x = 105,874.27

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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.