Home / 75,864.03-104,731.74-55,423.17

Finding the Fourth Proportional to 75,864.03, 104,731.74 and 55,423.17

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Solution

The fourth proportional to 75,864.03, 104,731.74 and 55,423.17 is: 76,512.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,864.03 : 104,731.74 = 55,423.17 : x
  2. Step 2: Convert to fraction form
    75,864.03/104,731.74 = 55,423.17/x
  3. Step 3: Cross multiply
    75,864.03x = 104,731.74 × 55,423.17
  4. Step 4: Simplify right side
    75,864.03x = 5,804,565,030.42
  5. Step 5: Solve for x
    x = 5,804,565,030.42/75,864.03
  6. Step 6: Final answer
    x = 76,512.74

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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.