Home / 64,918.50-89,587.53-35,110.50

Finding the Fourth Proportional to 64,918.50, 89,587.53 and 35,110.50

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Solution

The fourth proportional to 64,918.50, 89,587.53 and 35,110.50 is: 48,452.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,918.50 : 89,587.53 = 35,110.50 : x
  2. Step 2: Convert to fraction form
    64,918.50/89,587.53 = 35,110.50/x
  3. Step 3: Cross multiply
    64,918.50x = 89,587.53 × 35,110.50
  4. Step 4: Simplify right side
    64,918.50x = 3,145,462,972.07
  5. Step 5: Solve for x
    x = 3,145,462,972.07/64,918.50
  6. Step 6: Final answer
    x = 48,452.49

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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.