Home / 115,893.04-159,894.93-64,898.14

Finding the Fourth Proportional to 115,893.04, 159,894.93 and 64,898.14

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Solution

The fourth proportional to 115,893.04, 159,894.93 and 64,898.14 is: 89,538.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,893.04 : 159,894.93 = 64,898.14 : x
  2. Step 2: Convert to fraction form
    115,893.04/159,894.93 = 64,898.14/x
  3. Step 3: Cross multiply
    115,893.04x = 159,894.93 × 64,898.14
  4. Step 4: Simplify right side
    115,893.04x = 10,376,883,552.43
  5. Step 5: Solve for x
    x = 10,376,883,552.43/115,893.04
  6. Step 6: Final answer
    x = 89,538.45

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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.