Home / 103,045.42-141,959.91-96,845.28

Finding the Fourth Proportional to 103,045.42, 141,959.91 and 96,845.28

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Solution

The fourth proportional to 103,045.42, 141,959.91 and 96,845.28 is: 133,418.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,045.42 : 141,959.91 = 96,845.28 : x
  2. Step 2: Convert to fraction form
    103,045.42/141,959.91 = 96,845.28/x
  3. Step 3: Cross multiply
    103,045.42x = 141,959.91 × 96,845.28
  4. Step 4: Simplify right side
    103,045.42x = 13,748,146,522.93
  5. Step 5: Solve for x
    x = 13,748,146,522.93/103,045.42
  6. Step 6: Final answer
    x = 133,418.32

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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.