Home / 82,985.36-124,368.66-30,344.27

Finding the Fourth Proportional to 82,985.36, 124,368.66 and 30,344.27

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Solution

The fourth proportional to 82,985.36, 124,368.66 and 30,344.27 is: 45,476.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,985.36 : 124,368.66 = 30,344.27 : x
  2. Step 2: Convert to fraction form
    82,985.36/124,368.66 = 30,344.27/x
  3. Step 3: Cross multiply
    82,985.36x = 124,368.66 × 30,344.27
  4. Step 4: Simplify right side
    82,985.36x = 3,773,875,576.73
  5. Step 5: Solve for x
    x = 3,773,875,576.73/82,985.36
  6. Step 6: Final answer
    x = 45,476.40

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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.