Home / 53,531.08-80,303.91-18,473.47

Finding the Fourth Proportional to 53,531.08, 80,303.91 and 18,473.47

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Solution

The fourth proportional to 53,531.08, 80,303.91 and 18,473.47 is: 27,712.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,531.08 : 80,303.91 = 18,473.47 : x
  2. Step 2: Convert to fraction form
    53,531.08/80,303.91 = 18,473.47/x
  3. Step 3: Cross multiply
    53,531.08x = 80,303.91 × 18,473.47
  4. Step 4: Simplify right side
    53,531.08x = 1,483,491,602.23
  5. Step 5: Solve for x
    x = 1,483,491,602.23/53,531.08
  6. Step 6: Final answer
    x = 27,712.72

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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.