Home / 53,421.64-80,171.83-25,341.78

Finding the Fourth Proportional to 53,421.64, 80,171.83 and 25,341.78

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Solution

The fourth proportional to 53,421.64, 80,171.83 and 25,341.78 is: 38,031.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,421.64 : 80,171.83 = 25,341.78 : x
  2. Step 2: Convert to fraction form
    53,421.64/80,171.83 = 25,341.78/x
  3. Step 3: Cross multiply
    53,421.64x = 80,171.83 × 25,341.78
  4. Step 4: Simplify right side
    53,421.64x = 2,031,696,878.06
  5. Step 5: Solve for x
    x = 2,031,696,878.06/53,421.64
  6. Step 6: Final answer
    x = 38,031.35

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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.