Home / 45,979.40-68,967.73-12,701.46

Finding the Fourth Proportional to 45,979.40, 68,967.73 and 12,701.46

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Solution

The fourth proportional to 45,979.40, 68,967.73 and 12,701.46 is: 19,051.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,979.40 : 68,967.73 = 12,701.46 : x
  2. Step 2: Convert to fraction form
    45,979.40/68,967.73 = 12,701.46/x
  3. Step 3: Cross multiply
    45,979.40x = 68,967.73 × 12,701.46
  4. Step 4: Simplify right side
    45,979.40x = 875,990,832.13
  5. Step 5: Solve for x
    x = 875,990,832.13/45,979.40
  6. Step 6: Final answer
    x = 19,051.81

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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.