Home / 88,235.22-121,782.29-52,418.31

Finding the Fourth Proportional to 88,235.22, 121,782.29 and 52,418.31

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Solution

The fourth proportional to 88,235.22, 121,782.29 and 52,418.31 is: 72,347.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,235.22 : 121,782.29 = 52,418.31 : x
  2. Step 2: Convert to fraction form
    88,235.22/121,782.29 = 52,418.31/x
  3. Step 3: Cross multiply
    88,235.22x = 121,782.29 × 52,418.31
  4. Step 4: Simplify right side
    88,235.22x = 6,383,621,567.64
  5. Step 5: Solve for x
    x = 6,383,621,567.64/88,235.22
  6. Step 6: Final answer
    x = 72,347.77

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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.