Home / 122,577.15-169,155.45-68,861.03

Finding the Fourth Proportional to 122,577.15, 169,155.45 and 68,861.03

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Solution

The fourth proportional to 122,577.15, 169,155.45 and 68,861.03 is: 95,027.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,577.15 : 169,155.45 = 68,861.03 : x
  2. Step 2: Convert to fraction form
    122,577.15/169,155.45 = 68,861.03/x
  3. Step 3: Cross multiply
    122,577.15x = 169,155.45 × 68,861.03
  4. Step 4: Simplify right side
    122,577.15x = 11,648,217,671.34
  5. Step 5: Solve for x
    x = 11,648,217,671.34/122,577.15
  6. Step 6: Final answer
    x = 95,027.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.