Home / 68,633.49-94,715.82-38,418.06

Finding the Fourth Proportional to 68,633.49, 94,715.82 and 38,418.06

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Solution

The fourth proportional to 68,633.49, 94,715.82 and 38,418.06 is: 53,017.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,633.49 : 94,715.82 = 38,418.06 : x
  2. Step 2: Convert to fraction form
    68,633.49/94,715.82 = 38,418.06/x
  3. Step 3: Cross multiply
    68,633.49x = 94,715.82 × 38,418.06
  4. Step 4: Simplify right side
    68,633.49x = 3,638,798,055.71
  5. Step 5: Solve for x
    x = 3,638,798,055.71/68,633.49
  6. Step 6: Final answer
    x = 53,017.82

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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.