Home / 123,032.08-169,784.27-66,443.46

Finding the Fourth Proportional to 123,032.08, 169,784.27 and 66,443.46

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Solution

The fourth proportional to 123,032.08, 169,784.27 and 66,443.46 is: 91,691.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,032.08 : 169,784.27 = 66,443.46 : x
  2. Step 2: Convert to fraction form
    123,032.08/169,784.27 = 66,443.46/x
  3. Step 3: Cross multiply
    123,032.08x = 169,784.27 × 66,443.46
  4. Step 4: Simplify right side
    123,032.08x = 11,281,054,352.37
  5. Step 5: Solve for x
    x = 11,281,054,352.37/123,032.08
  6. Step 6: Final answer
    x = 91,691.97

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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.