Home / 62,643.78-93,956.55-18,258.62

Finding the Fourth Proportional to 62,643.78, 93,956.55 and 18,258.62

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Solution

The fourth proportional to 62,643.78, 93,956.55 and 18,258.62 is: 27,385.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,643.78 : 93,956.55 = 18,258.62 : x
  2. Step 2: Convert to fraction form
    62,643.78/93,956.55 = 18,258.62/x
  3. Step 3: Cross multiply
    62,643.78x = 93,956.55 × 18,258.62
  4. Step 4: Simplify right side
    62,643.78x = 1,715,516,473.18
  5. Step 5: Solve for x
    x = 1,715,516,473.18/62,643.78
  6. Step 6: Final answer
    x = 27,385.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.