Home / 53,730.41-74,148.71-29,856.65

Finding the Fourth Proportional to 53,730.41, 74,148.71 and 29,856.65

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Solution

The fourth proportional to 53,730.41, 74,148.71 and 29,856.65 is: 41,202.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,730.41 : 74,148.71 = 29,856.65 : x
  2. Step 2: Convert to fraction form
    53,730.41/74,148.71 = 29,856.65/x
  3. Step 3: Cross multiply
    53,730.41x = 74,148.71 × 29,856.65
  4. Step 4: Simplify right side
    53,730.41x = 2,213,832,082.42
  5. Step 5: Solve for x
    x = 2,213,832,082.42/53,730.41
  6. Step 6: Final answer
    x = 41,202.59

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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.