Home / 55,810.60-83,570.10-53,186.20

Finding the Fourth Proportional to 55,810.60, 83,570.10 and 53,186.20

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Solution

The fourth proportional to 55,810.60, 83,570.10 and 53,186.20 is: 79,640.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,810.60 : 83,570.10 = 53,186.20 : x
  2. Step 2: Convert to fraction form
    55,810.60/83,570.10 = 53,186.20/x
  3. Step 3: Cross multiply
    55,810.60x = 83,570.10 × 53,186.20
  4. Step 4: Simplify right side
    55,810.60x = 4,444,776,052.62
  5. Step 5: Solve for x
    x = 4,444,776,052.62/55,810.60
  6. Step 6: Final answer
    x = 79,640.36

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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.