Home / 73,008.81-109,514.07-28,656.45

Finding the Fourth Proportional to 73,008.81, 109,514.07 and 28,656.45

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Solution

The fourth proportional to 73,008.81, 109,514.07 and 28,656.45 is: 42,985.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,008.81 : 109,514.07 = 28,656.45 : x
  2. Step 2: Convert to fraction form
    73,008.81/109,514.07 = 28,656.45/x
  3. Step 3: Cross multiply
    73,008.81x = 109,514.07 × 28,656.45
  4. Step 4: Simplify right side
    73,008.81x = 3,138,284,471.25
  5. Step 5: Solve for x
    x = 3,138,284,471.25/73,008.81
  6. Step 6: Final answer
    x = 42,985.01

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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.