Home / 115,898.04-173,626.38-66,012.57

Finding the Fourth Proportional to 115,898.04, 173,626.38 and 66,012.57

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Solution

The fourth proportional to 115,898.04, 173,626.38 and 66,012.57 is: 98,893.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,898.04 : 173,626.38 = 66,012.57 : x
  2. Step 2: Convert to fraction form
    115,898.04/173,626.38 = 66,012.57/x
  3. Step 3: Cross multiply
    115,898.04x = 173,626.38 × 66,012.57
  4. Step 4: Simplify right side
    115,898.04x = 11,461,523,563.60
  5. Step 5: Solve for x
    x = 11,461,523,563.60/115,898.04
  6. Step 6: Final answer
    x = 98,893.16

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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.