Home / 66,023.91-98,986.60-39,722.49

Finding the Fourth Proportional to 66,023.91, 98,986.60 and 39,722.49

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Solution

The fourth proportional to 66,023.91, 98,986.60 and 39,722.49 is: 59,554.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,023.91 : 98,986.60 = 39,722.49 : x
  2. Step 2: Convert to fraction form
    66,023.91/98,986.60 = 39,722.49/x
  3. Step 3: Cross multiply
    66,023.91x = 98,986.60 × 39,722.49
  4. Step 4: Simplify right side
    66,023.91x = 3,931,994,228.63
  5. Step 5: Solve for x
    x = 3,931,994,228.63/66,023.91
  6. Step 6: Final answer
    x = 59,554.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.