Home / 45,785.07-68,680.20-14,199.62

Finding the Fourth Proportional to 45,785.07, 68,680.20 and 14,199.62

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Solution

The fourth proportional to 45,785.07, 68,680.20 and 14,199.62 is: 21,300.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,785.07 : 68,680.20 = 14,199.62 : x
  2. Step 2: Convert to fraction form
    45,785.07/68,680.20 = 14,199.62/x
  3. Step 3: Cross multiply
    45,785.07x = 68,680.20 × 14,199.62
  4. Step 4: Simplify right side
    45,785.07x = 975,232,534.32
  5. Step 5: Solve for x
    x = 975,232,534.32/45,785.07
  6. Step 6: Final answer
    x = 21,300.23

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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.