Home / 72,271.56-108,328.26-37,213.32

Finding the Fourth Proportional to 72,271.56, 108,328.26 and 37,213.32

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Solution

The fourth proportional to 72,271.56, 108,328.26 and 37,213.32 is: 55,779.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,271.56 : 108,328.26 = 37,213.32 : x
  2. Step 2: Convert to fraction form
    72,271.56/108,328.26 = 37,213.32/x
  3. Step 3: Cross multiply
    72,271.56x = 108,328.26 × 37,213.32
  4. Step 4: Simplify right side
    72,271.56x = 4,031,254,204.42
  5. Step 5: Solve for x
    x = 4,031,254,204.42/72,271.56
  6. Step 6: Final answer
    x = 55,779.26

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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.