Home / 89,953.88-124,147.28-52,228.13

Finding the Fourth Proportional to 89,953.88, 124,147.28 and 52,228.13

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Solution

The fourth proportional to 89,953.88, 124,147.28 and 52,228.13 is: 72,081.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,953.88 : 124,147.28 = 52,228.13 : x
  2. Step 2: Convert to fraction form
    89,953.88/124,147.28 = 52,228.13/x
  3. Step 3: Cross multiply
    89,953.88x = 124,147.28 × 52,228.13
  4. Step 4: Simplify right side
    89,953.88x = 6,483,979,788.82
  5. Step 5: Solve for x
    x = 6,483,979,788.82/89,953.88
  6. Step 6: Final answer
    x = 72,081.16

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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.