Home / 53,655.64-80,484.98-14,212.76

Finding the Fourth Proportional to 53,655.64, 80,484.98 and 14,212.76

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Solution

The fourth proportional to 53,655.64, 80,484.98 and 14,212.76 is: 21,319.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,655.64 : 80,484.98 = 14,212.76 : x
  2. Step 2: Convert to fraction form
    53,655.64/80,484.98 = 14,212.76/x
  3. Step 3: Cross multiply
    53,655.64x = 80,484.98 × 14,212.76
  4. Step 4: Simplify right side
    53,655.64x = 1,143,913,230.86
  5. Step 5: Solve for x
    x = 1,143,913,230.86/53,655.64
  6. Step 6: Final answer
    x = 21,319.54

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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.