Home / 122,835.13-169,516.25-66,895.24

Finding the Fourth Proportional to 122,835.13, 169,516.25 and 66,895.24

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Solution

The fourth proportional to 122,835.13, 169,516.25 and 66,895.24 is: 92,317.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,835.13 : 169,516.25 = 66,895.24 : x
  2. Step 2: Convert to fraction form
    122,835.13/169,516.25 = 66,895.24/x
  3. Step 3: Cross multiply
    122,835.13x = 169,516.25 × 66,895.24
  4. Step 4: Simplify right side
    122,835.13x = 11,339,829,971.10
  5. Step 5: Solve for x
    x = 11,339,829,971.10/122,835.13
  6. Step 6: Final answer
    x = 92,317.48

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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.