Home / 58,278.24-87,430.32-16,722.08

Finding the Fourth Proportional to 58,278.24, 87,430.32 and 16,722.08

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Solution

The fourth proportional to 58,278.24, 87,430.32 and 16,722.08 is: 25,086.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,278.24 : 87,430.32 = 16,722.08 : x
  2. Step 2: Convert to fraction form
    58,278.24/87,430.32 = 16,722.08/x
  3. Step 3: Cross multiply
    58,278.24x = 87,430.32 × 16,722.08
  4. Step 4: Simplify right side
    58,278.24x = 1,462,016,805.47
  5. Step 5: Solve for x
    x = 1,462,016,805.47/58,278.24
  6. Step 6: Final answer
    x = 25,086.84

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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.