Home / 88,324.32-121,888.64-48,038.56

Finding the Fourth Proportional to 88,324.32, 121,888.64 and 48,038.56

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Solution

The fourth proportional to 88,324.32, 121,888.64 and 48,038.56 is: 66,293.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,324.32 : 121,888.64 = 48,038.56 : x
  2. Step 2: Convert to fraction form
    88,324.32/121,888.64 = 48,038.56/x
  3. Step 3: Cross multiply
    88,324.32x = 121,888.64 × 48,038.56
  4. Step 4: Simplify right side
    88,324.32x = 5,855,354,745.96
  5. Step 5: Solve for x
    x = 5,855,354,745.96/88,324.32
  6. Step 6: Final answer
    x = 66,293.80

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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.