Home / 89,880.42-124,040.52-51,652.20

Finding the Fourth Proportional to 89,880.42, 124,040.52 and 51,652.20

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Solution

The fourth proportional to 89,880.42, 124,040.52 and 51,652.20 is: 71,283.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,880.42 : 124,040.52 = 51,652.20 : x
  2. Step 2: Convert to fraction form
    89,880.42/124,040.52 = 51,652.20/x
  3. Step 3: Cross multiply
    89,880.42x = 124,040.52 × 51,652.20
  4. Step 4: Simplify right side
    89,880.42x = 6,406,965,747.14
  5. Step 5: Solve for x
    x = 6,406,965,747.14/89,880.42
  6. Step 6: Final answer
    x = 71,283.22

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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.