Home / 123,831.59-170,888.54-67,242.96

Finding the Fourth Proportional to 123,831.59, 170,888.54 and 67,242.96

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Solution

The fourth proportional to 123,831.59, 170,888.54 and 67,242.96 is: 92,795.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,831.59 : 170,888.54 = 67,242.96 : x
  2. Step 2: Convert to fraction form
    123,831.59/170,888.54 = 67,242.96/x
  3. Step 3: Cross multiply
    123,831.59x = 170,888.54 × 67,242.96
  4. Step 4: Simplify right side
    123,831.59x = 11,491,050,923.46
  5. Step 5: Solve for x
    x = 11,491,050,923.46/123,831.59
  6. Step 6: Final answer
    x = 92,795.80

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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.