Home / 82,845.63-124,268.40-23,681.25

Finding the Fourth Proportional to 82,845.63, 124,268.40 and 23,681.25

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Solution

The fourth proportional to 82,845.63, 124,268.40 and 23,681.25 is: 35,521.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,845.63 : 124,268.40 = 23,681.25 : x
  2. Step 2: Convert to fraction form
    82,845.63/124,268.40 = 23,681.25/x
  3. Step 3: Cross multiply
    82,845.63x = 124,268.40 × 23,681.25
  4. Step 4: Simplify right side
    82,845.63x = 2,942,831,047.50
  5. Step 5: Solve for x
    x = 2,942,831,047.50/82,845.63
  6. Step 6: Final answer
    x = 35,521.86

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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.