Home / 123,971.19-171,076.65-70,261.17

Finding the Fourth Proportional to 123,971.19, 171,076.65 and 70,261.17

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Solution

The fourth proportional to 123,971.19, 171,076.65 and 70,261.17 is: 96,958.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,971.19 : 171,076.65 = 70,261.17 : x
  2. Step 2: Convert to fraction form
    123,971.19/171,076.65 = 70,261.17/x
  3. Step 3: Cross multiply
    123,971.19x = 171,076.65 × 70,261.17
  4. Step 4: Simplify right side
    123,971.19x = 12,020,046,192.03
  5. Step 5: Solve for x
    x = 12,020,046,192.03/123,971.19
  6. Step 6: Final answer
    x = 96,958.38

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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.