Home / 88,235.13-121,782.15-52,418.22

Finding the Fourth Proportional to 88,235.13, 121,782.15 and 52,418.22

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Solution

The fourth proportional to 88,235.13, 121,782.15 and 52,418.22 is: 72,347.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,235.13 : 121,782.15 = 52,418.22 : x
  2. Step 2: Convert to fraction form
    88,235.13/121,782.15 = 52,418.22/x
  3. Step 3: Cross multiply
    88,235.13x = 121,782.15 × 52,418.22
  4. Step 4: Simplify right side
    88,235.13x = 6,383,603,759.11
  5. Step 5: Solve for x
    x = 6,383,603,759.11/88,235.13
  6. Step 6: Final answer
    x = 72,347.65

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1.5x scale

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.