Home / 56,729.36-85,146.52-28,669.16

Finding the Fourth Proportional to 56,729.36, 85,146.52 and 28,669.16

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Solution

The fourth proportional to 56,729.36, 85,146.52 and 28,669.16 is: 43,030.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,729.36 : 85,146.52 = 28,669.16 : x
  2. Step 2: Convert to fraction form
    56,729.36/85,146.52 = 28,669.16/x
  3. Step 3: Cross multiply
    56,729.36x = 85,146.52 × 28,669.16
  4. Step 4: Simplify right side
    56,729.36x = 2,441,079,205.32
  5. Step 5: Solve for x
    x = 2,441,079,205.32/56,729.36
  6. Step 6: Final answer
    x = 43,030.26

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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.