Home / 79,890.48-110,214-48,041.28

Finding the Fourth Proportional to 79,890.48, 110,214 and 48,041.28

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Solution

The fourth proportional to 79,890.48, 110,214 and 48,041.28 is: 66,276.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,890.48 : 110,214 = 48,041.28 : x
  2. Step 2: Convert to fraction form
    79,890.48/110,214 = 48,041.28/x
  3. Step 3: Cross multiply
    79,890.48x = 110,214 × 48,041.28
  4. Step 4: Simplify right side
    79,890.48x = 5,294,821,633.92
  5. Step 5: Solve for x
    x = 5,294,821,633.92/79,890.48
  6. Step 6: Final answer
    x = 66,276.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.