Home / 82,829.40-124,244.10-57,897.60

Finding the Fourth Proportional to 82,829.40, 124,244.10 and 57,897.60

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Solution

The fourth proportional to 82,829.40, 124,244.10 and 57,897.60 is: 86,846.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,829.40 : 124,244.10 = 57,897.60 : x
  2. Step 2: Convert to fraction form
    82,829.40/124,244.10 = 57,897.60/x
  3. Step 3: Cross multiply
    82,829.40x = 124,244.10 × 57,897.60
  4. Step 4: Simplify right side
    82,829.40x = 7,193,435,204.16
  5. Step 5: Solve for x
    x = 7,193,435,204.16/82,829.40
  6. Step 6: Final answer
    x = 86,846.40

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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.