Home / 53,862.77-80,813.60-18,807.59

Finding the Fourth Proportional to 53,862.77, 80,813.60 and 18,807.59

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Solution

The fourth proportional to 53,862.77, 80,813.60 and 18,807.59 is: 28,218.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,862.77 : 80,813.60 = 18,807.59 : x
  2. Step 2: Convert to fraction form
    53,862.77/80,813.60 = 18,807.59/x
  3. Step 3: Cross multiply
    53,862.77x = 80,813.60 × 18,807.59
  4. Step 4: Simplify right side
    53,862.77x = 1,519,909,055.22
  5. Step 5: Solve for x
    x = 1,519,909,055.22/53,862.77
  6. Step 6: Final answer
    x = 28,218.17

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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.