Home / 112,520.36-168,863.61-53,356.23

Finding the Fourth Proportional to 112,520.36, 168,863.61 and 53,356.23

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Solution

The fourth proportional to 112,520.36, 168,863.61 and 53,356.23 is: 80,073.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,520.36 : 168,863.61 = 53,356.23 : x
  2. Step 2: Convert to fraction form
    112,520.36/168,863.61 = 53,356.23/x
  3. Step 3: Cross multiply
    112,520.36x = 168,863.61 × 53,356.23
  4. Step 4: Simplify right side
    112,520.36x = 9,009,925,613.79
  5. Step 5: Solve for x
    x = 9,009,925,613.79/112,520.36
  6. Step 6: Final answer
    x = 80,073.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.