Home / 88,249.21-121,801.62-52,432.32

Finding the Fourth Proportional to 88,249.21, 121,801.62 and 52,432.32

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Solution

The fourth proportional to 88,249.21, 121,801.62 and 52,432.32 is: 72,367.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,249.21 : 121,801.62 = 52,432.32 : x
  2. Step 2: Convert to fraction form
    88,249.21/121,801.62 = 52,432.32/x
  3. Step 3: Cross multiply
    88,249.21x = 121,801.62 × 52,432.32
  4. Step 4: Simplify right side
    88,249.21x = 6,386,341,516.36
  5. Step 5: Solve for x
    x = 6,386,341,516.36/88,249.21
  6. Step 6: Final answer
    x = 72,367.12

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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.