Home / 56,783.06-78,360.62-32,923.57

Finding the Fourth Proportional to 56,783.06, 78,360.62 and 32,923.57

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Solution

The fourth proportional to 56,783.06, 78,360.62 and 32,923.57 is: 45,434.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,783.06 : 78,360.62 = 32,923.57 : x
  2. Step 2: Convert to fraction form
    56,783.06/78,360.62 = 32,923.57/x
  3. Step 3: Cross multiply
    56,783.06x = 78,360.62 × 32,923.57
  4. Step 4: Simplify right side
    56,783.06x = 2,579,911,267.68
  5. Step 5: Solve for x
    x = 2,579,911,267.68/56,783.06
  6. Step 6: Final answer
    x = 45,434.53

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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.