Home / 56,795.66-78,378.54-31,302.94

Finding the Fourth Proportional to 56,795.66, 78,378.54 and 31,302.94

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Solution

The fourth proportional to 56,795.66, 78,378.54 and 31,302.94 is: 43,198.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,795.66 : 78,378.54 = 31,302.94 : x
  2. Step 2: Convert to fraction form
    56,795.66/78,378.54 = 31,302.94/x
  3. Step 3: Cross multiply
    56,795.66x = 78,378.54 × 31,302.94
  4. Step 4: Simplify right side
    56,795.66x = 2,453,478,734.91
  5. Step 5: Solve for x
    x = 2,453,478,734.91/56,795.66
  6. Step 6: Final answer
    x = 43,198.35

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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.