Home / 74,480.90-111,575.55-44,810.60

Finding the Fourth Proportional to 74,480.90, 111,575.55 and 44,810.60

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Solution

The fourth proportional to 74,480.90, 111,575.55 and 44,810.60 is: 67,128.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,480.90 : 111,575.55 = 44,810.60 : x
  2. Step 2: Convert to fraction form
    74,480.90/111,575.55 = 44,810.60/x
  3. Step 3: Cross multiply
    74,480.90x = 111,575.55 × 44,810.60
  4. Step 4: Simplify right side
    74,480.90x = 4,999,767,340.83
  5. Step 5: Solve for x
    x = 4,999,767,340.83/74,480.90
  6. Step 6: Final answer
    x = 67,128.18

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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.