Home / 72,999.03-109,498.31-17,595.03

Finding the Fourth Proportional to 72,999.03, 109,498.31 and 17,595.03

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Solution

The fourth proportional to 72,999.03, 109,498.31 and 17,595.03 is: 26,392.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,999.03 : 109,498.31 = 17,595.03 : x
  2. Step 2: Convert to fraction form
    72,999.03/109,498.31 = 17,595.03/x
  3. Step 3: Cross multiply
    72,999.03x = 109,498.31 × 17,595.03
  4. Step 4: Simplify right side
    72,999.03x = 1,926,625,961.42
  5. Step 5: Solve for x
    x = 1,926,625,961.42/72,999.03
  6. Step 6: Final answer
    x = 26,392.49

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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.