Home / 71,675.24-98,888.67-39,837.98

Finding the Fourth Proportional to 71,675.24, 98,888.67 and 39,837.98

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Solution

The fourth proportional to 71,675.24, 98,888.67 and 39,837.98 is: 54,963.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,675.24 : 98,888.67 = 39,837.98 : x
  2. Step 2: Convert to fraction form
    71,675.24/98,888.67 = 39,837.98/x
  3. Step 3: Cross multiply
    71,675.24x = 98,888.67 × 39,837.98
  4. Step 4: Simplify right side
    71,675.24x = 3,939,525,104.91
  5. Step 5: Solve for x
    x = 3,939,525,104.91/71,675.24
  6. Step 6: Final answer
    x = 54,963.55

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1.5x scale

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.