Home / 82,897.51-124,442.94-40,812.34

Finding the Fourth Proportional to 82,897.51, 124,442.94 and 40,812.34

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Solution

The fourth proportional to 82,897.51, 124,442.94 and 40,812.34 is: 61,266.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,897.51 : 124,442.94 = 40,812.34 : x
  2. Step 2: Convert to fraction form
    82,897.51/124,442.94 = 40,812.34/x
  3. Step 3: Cross multiply
    82,897.51x = 124,442.94 × 40,812.34
  4. Step 4: Simplify right side
    82,897.51x = 5,078,807,577.88
  5. Step 5: Solve for x
    x = 5,078,807,577.88/82,897.51
  6. Step 6: Final answer
    x = 61,266.11

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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.