Home / 123,042.08-169,796.04-69,332.60

Finding the Fourth Proportional to 123,042.08, 169,796.04 and 69,332.60

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Solution

The fourth proportional to 123,042.08, 169,796.04 and 69,332.60 is: 95,677.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,042.08 : 169,796.04 = 69,332.60 : x
  2. Step 2: Convert to fraction form
    123,042.08/169,796.04 = 69,332.60/x
  3. Step 3: Cross multiply
    123,042.08x = 169,796.04 × 69,332.60
  4. Step 4: Simplify right side
    123,042.08x = 11,772,400,922.90
  5. Step 5: Solve for x
    x = 11,772,400,922.90/123,042.08
  6. Step 6: Final answer
    x = 95,677.84

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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.