Home / 45,339.13-68,008.60-12,059.23

Finding the Fourth Proportional to 45,339.13, 68,008.60 and 12,059.23

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Solution

The fourth proportional to 45,339.13, 68,008.60 and 12,059.23 is: 18,088.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,339.13 : 68,008.60 = 12,059.23 : x
  2. Step 2: Convert to fraction form
    45,339.13/68,008.60 = 12,059.23/x
  3. Step 3: Cross multiply
    45,339.13x = 68,008.60 × 12,059.23
  4. Step 4: Simplify right side
    45,339.13x = 820,131,009.34
  5. Step 5: Solve for x
    x = 820,131,009.34/45,339.13
  6. Step 6: Final answer
    x = 18,088.81

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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.