Home / 55,569.60-83,548.80-54,403.20

Finding the Fourth Proportional to 55,569.60, 83,548.80 and 54,403.20

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Solution

The fourth proportional to 55,569.60, 83,548.80 and 54,403.20 is: 81,795.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,569.60 : 83,548.80 = 54,403.20 : x
  2. Step 2: Convert to fraction form
    55,569.60/83,548.80 = 54,403.20/x
  3. Step 3: Cross multiply
    55,569.60x = 83,548.80 × 54,403.20
  4. Step 4: Simplify right side
    55,569.60x = 4,545,322,076.16
  5. Step 5: Solve for x
    x = 4,545,322,076.16/55,569.60
  6. Step 6: Final answer
    x = 81,795.12

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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.