Home / 71,056.77-98,058.09-39,225.42

Finding the Fourth Proportional to 71,056.77, 98,058.09 and 39,225.42

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Solution

The fourth proportional to 71,056.77, 98,058.09 and 39,225.42 is: 54,130.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,056.77 : 98,058.09 = 39,225.42 : x
  2. Step 2: Convert to fraction form
    71,056.77/98,058.09 = 39,225.42/x
  3. Step 3: Cross multiply
    71,056.77x = 98,058.09 × 39,225.42
  4. Step 4: Simplify right side
    71,056.77x = 3,846,369,764.65
  5. Step 5: Solve for x
    x = 3,846,369,764.65/71,056.77
  6. Step 6: Final answer
    x = 54,130.94

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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.