Home / 115,892.04-159,893.55-64,897.14

Finding the Fourth Proportional to 115,892.04, 159,893.55 and 64,897.14

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Solution

The fourth proportional to 115,892.04, 159,893.55 and 64,897.14 is: 89,537.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,892.04 : 159,893.55 = 64,897.14 : x
  2. Step 2: Convert to fraction form
    115,892.04/159,893.55 = 64,897.14/x
  3. Step 3: Cross multiply
    115,892.04x = 159,893.55 × 64,897.14
  4. Step 4: Simplify right side
    115,892.04x = 10,376,634,099.45
  5. Step 5: Solve for x
    x = 10,376,634,099.45/115,892.04
  6. Step 6: Final answer
    x = 89,537.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.