Home / 127,953.08-191,847.50-53,124.87

Finding the Fourth Proportional to 127,953.08, 191,847.50 and 53,124.87

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Solution

The fourth proportional to 127,953.08, 191,847.50 and 53,124.87 is: 79,653.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,953.08 : 191,847.50 = 53,124.87 : x
  2. Step 2: Convert to fraction form
    127,953.08/191,847.50 = 53,124.87/x
  3. Step 3: Cross multiply
    127,953.08x = 191,847.50 × 53,124.87
  4. Step 4: Simplify right side
    127,953.08x = 10,191,873,497.33
  5. Step 5: Solve for x
    x = 10,191,873,497.33/127,953.08
  6. Step 6: Final answer
    x = 79,653.21

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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.