Home / 75,685.29-104,336.60-52,953.86

Finding the Fourth Proportional to 75,685.29, 104,336.60 and 52,953.86

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Solution

The fourth proportional to 75,685.29, 104,336.60 and 52,953.86 is: 72,999.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,685.29 : 104,336.60 = 52,953.86 : x
  2. Step 2: Convert to fraction form
    75,685.29/104,336.60 = 52,953.86/x
  3. Step 3: Cross multiply
    75,685.29x = 104,336.60 × 52,953.86
  4. Step 4: Simplify right side
    75,685.29x = 5,525,024,922.82
  5. Step 5: Solve for x
    x = 5,525,024,922.82/75,685.29
  6. Step 6: Final answer
    x = 72,999.98

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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.