Home / 68,815.49-94,985.03-40,537.49

Finding the Fourth Proportional to 68,815.49, 94,985.03 and 40,537.49

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Solution

The fourth proportional to 68,815.49, 94,985.03 and 40,537.49 is: 55,953.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,815.49 : 94,985.03 = 40,537.49 : x
  2. Step 2: Convert to fraction form
    68,815.49/94,985.03 = 40,537.49/x
  3. Step 3: Cross multiply
    68,815.49x = 94,985.03 × 40,537.49
  4. Step 4: Simplify right side
    68,815.49x = 3,850,454,703.77
  5. Step 5: Solve for x
    x = 3,850,454,703.77/68,815.49
  6. Step 6: Final answer
    x = 55,953.31

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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.