Home / 47,079.79-70,619.80-11,541.26

Finding the Fourth Proportional to 47,079.79, 70,619.80 and 11,541.26

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Solution

The fourth proportional to 47,079.79, 70,619.80 and 11,541.26 is: 17,311.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,079.79 : 70,619.80 = 11,541.26 : x
  2. Step 2: Convert to fraction form
    47,079.79/70,619.80 = 11,541.26/x
  3. Step 3: Cross multiply
    47,079.79x = 70,619.80 × 11,541.26
  4. Step 4: Simplify right side
    47,079.79x = 815,041,620.64
  5. Step 5: Solve for x
    x = 815,041,620.64/47,079.79
  6. Step 6: Final answer
    x = 17,311.92

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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.