Home / 88,149.93-121,647.39-47,863.69

Finding the Fourth Proportional to 88,149.93, 121,647.39 and 47,863.69

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Solution

The fourth proportional to 88,149.93, 121,647.39 and 47,863.69 is: 66,052.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,149.93 : 121,647.39 = 47,863.69 : x
  2. Step 2: Convert to fraction form
    88,149.93/121,647.39 = 47,863.69/x
  3. Step 3: Cross multiply
    88,149.93x = 121,647.39 × 47,863.69
  4. Step 4: Simplify right side
    88,149.93x = 5,822,492,964.27
  5. Step 5: Solve for x
    x = 5,822,492,964.27/88,149.93
  6. Step 6: Final answer
    x = 66,052.16

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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.