Home / 56,795.65-78,378.53-31,302.93

Finding the Fourth Proportional to 56,795.65, 78,378.53 and 31,302.93

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Solution

The fourth proportional to 56,795.65, 78,378.53 and 31,302.93 is: 43,198.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,795.65 : 78,378.53 = 31,302.93 : x
  2. Step 2: Convert to fraction form
    56,795.65/78,378.53 = 31,302.93/x
  3. Step 3: Cross multiply
    56,795.65x = 78,378.53 × 31,302.93
  4. Step 4: Simplify right side
    56,795.65x = 2,453,477,638.09
  5. Step 5: Solve for x
    x = 2,453,477,638.09/56,795.65
  6. Step 6: Final answer
    x = 43,198.34

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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.