Home / 55,047.20-75,792.48-48,580.16

Finding the Fourth Proportional to 55,047.20, 75,792.48 and 48,580.16

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Solution

The fourth proportional to 55,047.20, 75,792.48 and 48,580.16 is: 66,888.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,047.20 : 75,792.48 = 48,580.16 : x
  2. Step 2: Convert to fraction form
    55,047.20/75,792.48 = 48,580.16/x
  3. Step 3: Cross multiply
    55,047.20x = 75,792.48 × 48,580.16
  4. Step 4: Simplify right side
    55,047.20x = 3,682,010,805.20
  5. Step 5: Solve for x
    x = 3,682,010,805.20/55,047.20
  6. Step 6: Final answer
    x = 66,888.25

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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.