Home / 71,427.74-98,561.22-39,596.36

Finding the Fourth Proportional to 71,427.74, 98,561.22 and 39,596.36

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Solution

The fourth proportional to 71,427.74, 98,561.22 and 39,596.36 is: 54,637.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,427.74 : 98,561.22 = 39,596.36 : x
  2. Step 2: Convert to fraction form
    71,427.74/98,561.22 = 39,596.36/x
  3. Step 3: Cross multiply
    71,427.74x = 98,561.22 × 39,596.36
  4. Step 4: Simplify right side
    71,427.74x = 3,902,665,549.16
  5. Step 5: Solve for x
    x = 3,902,665,549.16/71,427.74
  6. Step 6: Final answer
    x = 54,637.95

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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.