Home / 74,764.08-112,113.56-21,444.28

Finding the Fourth Proportional to 74,764.08, 112,113.56 and 21,444.28

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Solution

The fourth proportional to 74,764.08, 112,113.56 and 21,444.28 is: 32,157.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,764.08 : 112,113.56 = 21,444.28 : x
  2. Step 2: Convert to fraction form
    74,764.08/112,113.56 = 21,444.28/x
  3. Step 3: Cross multiply
    74,764.08x = 112,113.56 × 21,444.28
  4. Step 4: Simplify right side
    74,764.08x = 2,404,194,572.44
  5. Step 5: Solve for x
    x = 2,404,194,572.44/74,764.08
  6. Step 6: Final answer
    x = 32,157.08

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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.