Home / 89,985.84-124,175.43-55,993.28

Finding the Fourth Proportional to 89,985.84, 124,175.43 and 55,993.28

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Solution

The fourth proportional to 89,985.84, 124,175.43 and 55,993.28 is: 77,267.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,985.84 : 124,175.43 = 55,993.28 : x
  2. Step 2: Convert to fraction form
    89,985.84/124,175.43 = 55,993.28/x
  3. Step 3: Cross multiply
    89,985.84x = 124,175.43 × 55,993.28
  4. Step 4: Simplify right side
    89,985.84x = 6,952,989,000.23
  5. Step 5: Solve for x
    x = 6,952,989,000.23/89,985.84
  6. Step 6: Final answer
    x = 77,267.59

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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.