Home / 114,428.03-157,910.67-63,440.60

Finding the Fourth Proportional to 114,428.03, 157,910.67 and 63,440.60

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Solution

The fourth proportional to 114,428.03, 157,910.67 and 63,440.60 is: 87,548.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,428.03 : 157,910.67 = 63,440.60 : x
  2. Step 2: Convert to fraction form
    114,428.03/157,910.67 = 63,440.60/x
  3. Step 3: Cross multiply
    114,428.03x = 157,910.67 × 63,440.60
  4. Step 4: Simplify right side
    114,428.03x = 10,017,946,861.65
  5. Step 5: Solve for x
    x = 10,017,946,861.65/114,428.03
  6. Step 6: Final answer
    x = 87,548.02

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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.