Home / 123,946.11-171,047.48-67,357.53

Finding the Fourth Proportional to 123,946.11, 171,047.48 and 67,357.53

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Solution

The fourth proportional to 123,946.11, 171,047.48 and 67,357.53 is: 92,954.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,946.11 : 171,047.48 = 67,357.53 : x
  2. Step 2: Convert to fraction form
    123,946.11/171,047.48 = 67,357.53/x
  3. Step 3: Cross multiply
    123,946.11x = 171,047.48 × 67,357.53
  4. Step 4: Simplify right side
    123,946.11x = 11,521,335,428.74
  5. Step 5: Solve for x
    x = 11,521,335,428.74/123,946.11
  6. Step 6: Final answer
    x = 92,954.39

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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.