Home / 53,856.64-74,316.32-29,981.44

Finding the Fourth Proportional to 53,856.64, 74,316.32 and 29,981.44

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Solution

The fourth proportional to 53,856.64, 74,316.32 and 29,981.44 is: 41,371.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,856.64 : 74,316.32 = 29,981.44 : x
  2. Step 2: Convert to fraction form
    53,856.64/74,316.32 = 29,981.44/x
  3. Step 3: Cross multiply
    53,856.64x = 74,316.32 × 29,981.44
  4. Step 4: Simplify right side
    53,856.64x = 2,228,110,289.10
  5. Step 5: Solve for x
    x = 2,228,110,289.10/53,856.64
  6. Step 6: Final answer
    x = 41,371.13

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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.