Home / 68,784.12-103,205.34-37,582.92

Finding the Fourth Proportional to 68,784.12, 103,205.34 and 37,582.92

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Solution

The fourth proportional to 68,784.12, 103,205.34 and 37,582.92 is: 56,390.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,784.12 : 103,205.34 = 37,582.92 : x
  2. Step 2: Convert to fraction form
    68,784.12/103,205.34 = 37,582.92/x
  3. Step 3: Cross multiply
    68,784.12x = 103,205.34 × 37,582.92
  4. Step 4: Simplify right side
    68,784.12x = 3,878,758,036.79
  5. Step 5: Solve for x
    x = 3,878,758,036.79/68,784.12
  6. Step 6: Final answer
    x = 56,390.31

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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.