Home / 123,095.24-169,871.34-66,506.60

Finding the Fourth Proportional to 123,095.24, 169,871.34 and 66,506.60

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Solution

The fourth proportional to 123,095.24, 169,871.34 and 66,506.60 is: 91,779.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,095.24 : 169,871.34 = 66,506.60 : x
  2. Step 2: Convert to fraction form
    123,095.24/169,871.34 = 66,506.60/x
  3. Step 3: Cross multiply
    123,095.24x = 169,871.34 × 66,506.60
  4. Step 4: Simplify right side
    123,095.24x = 11,297,565,260.84
  5. Step 5: Solve for x
    x = 11,297,565,260.84/123,095.24
  6. Step 6: Final answer
    x = 91,779.06

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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.