Home / 45,339.11-68,008.56-12,059.18

Finding the Fourth Proportional to 45,339.11, 68,008.56 and 12,059.18

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Solution

The fourth proportional to 45,339.11, 68,008.56 and 12,059.18 is: 18,088.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,339.11 : 68,008.56 = 12,059.18 : x
  2. Step 2: Convert to fraction form
    45,339.11/68,008.56 = 12,059.18/x
  3. Step 3: Cross multiply
    45,339.11x = 68,008.56 × 12,059.18
  4. Step 4: Simplify right side
    45,339.11x = 820,127,466.58
  5. Step 5: Solve for x
    x = 820,127,466.58/45,339.11
  6. Step 6: Final answer
    x = 18,088.74

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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.