Home / 83,510.64-115,212.60-53,297.04

Finding the Fourth Proportional to 83,510.64, 115,212.60 and 53,297.04

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Solution

The fourth proportional to 83,510.64, 115,212.60 and 53,297.04 is: 73,529.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,510.64 : 115,212.60 = 53,297.04 : x
  2. Step 2: Convert to fraction form
    83,510.64/115,212.60 = 53,297.04/x
  3. Step 3: Cross multiply
    83,510.64x = 115,212.60 × 53,297.04
  4. Step 4: Simplify right side
    83,510.64x = 6,140,490,550.70
  5. Step 5: Solve for x
    x = 6,140,490,550.70/83,510.64
  6. Step 6: Final answer
    x = 73,529.44

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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.