Home / 68,721.98-103,551.07-56,515.37

Finding the Fourth Proportional to 68,721.98, 103,551.07 and 56,515.37

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Solution

The fourth proportional to 68,721.98, 103,551.07 and 56,515.37 is: 85,158.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,721.98 : 103,551.07 = 56,515.37 : x
  2. Step 2: Convert to fraction form
    68,721.98/103,551.07 = 56,515.37/x
  3. Step 3: Cross multiply
    68,721.98x = 103,551.07 × 56,515.37
  4. Step 4: Simplify right side
    68,721.98x = 5,852,226,752.37
  5. Step 5: Solve for x
    x = 5,852,226,752.37/68,721.98
  6. Step 6: Final answer
    x = 85,158.01

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.