Home / 88,051.44-121,508.24-49,289.25

Finding the Fourth Proportional to 88,051.44, 121,508.24 and 49,289.25

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Solution

The fourth proportional to 88,051.44, 121,508.24 and 49,289.25 is: 68,017.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,051.44 : 121,508.24 = 49,289.25 : x
  2. Step 2: Convert to fraction form
    88,051.44/121,508.24 = 49,289.25/x
  3. Step 3: Cross multiply
    88,051.44x = 121,508.24 × 49,289.25
  4. Step 4: Simplify right side
    88,051.44x = 5,989,050,018.42
  5. Step 5: Solve for x
    x = 5,989,050,018.42/88,051.44
  6. Step 6: Final answer
    x = 68,017.63

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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.