Home / 53,984.64-74,497.20-30,110.78

Finding the Fourth Proportional to 53,984.64, 74,497.20 and 30,110.78

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Solution

The fourth proportional to 53,984.64, 74,497.20 and 30,110.78 is: 41,551.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,984.64 : 74,497.20 = 30,110.78 : x
  2. Step 2: Convert to fraction form
    53,984.64/74,497.20 = 30,110.78/x
  3. Step 3: Cross multiply
    53,984.64x = 74,497.20 × 30,110.78
  4. Step 4: Simplify right side
    53,984.64x = 2,243,168,427.33
  5. Step 5: Solve for x
    x = 2,243,168,427.33/53,984.64
  6. Step 6: Final answer
    x = 41,551.98

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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.