Home / 52,089.90-78,104.67-45,862.43

Finding the Fourth Proportional to 52,089.90, 78,104.67 and 45,862.43

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Solution

The fourth proportional to 52,089.90, 78,104.67 and 45,862.43 is: 68,767.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,089.90 : 78,104.67 = 45,862.43 : x
  2. Step 2: Convert to fraction form
    52,089.90/78,104.67 = 45,862.43/x
  3. Step 3: Cross multiply
    52,089.90x = 78,104.67 × 45,862.43
  4. Step 4: Simplify right side
    52,089.90x = 3,582,069,570.02
  5. Step 5: Solve for x
    x = 3,582,069,570.02/52,089.90
  6. Step 6: Final answer
    x = 68,767.07

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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.