Home / 83,784.12-115,622.46-46,060.80

Finding the Fourth Proportional to 83,784.12, 115,622.46 and 46,060.80

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Solution

The fourth proportional to 83,784.12, 115,622.46 and 46,060.80 is: 63,564.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,784.12 : 115,622.46 = 46,060.80 : x
  2. Step 2: Convert to fraction form
    83,784.12/115,622.46 = 46,060.80/x
  3. Step 3: Cross multiply
    83,784.12x = 115,622.46 × 46,060.80
  4. Step 4: Simplify right side
    83,784.12x = 5,325,663,005.57
  5. Step 5: Solve for x
    x = 5,325,663,005.57/83,784.12
  6. Step 6: Final answer
    x = 63,564.11

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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.