Home / 56,852.65-78,452.97-31,357.49

Finding the Fourth Proportional to 56,852.65, 78,452.97 and 31,357.49

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Solution

The fourth proportional to 56,852.65, 78,452.97 and 31,357.49 is: 43,271.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,852.65 : 78,452.97 = 31,357.49 : x
  2. Step 2: Convert to fraction form
    56,852.65/78,452.97 = 31,357.49/x
  3. Step 3: Cross multiply
    56,852.65x = 78,452.97 × 31,357.49
  4. Step 4: Simplify right side
    56,852.65x = 2,460,088,222.25
  5. Step 5: Solve for x
    x = 2,460,088,222.25/56,852.65
  6. Step 6: Final answer
    x = 43,271.31

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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.