Home / 116,715.15-174,792.06-66,643.47

Finding the Fourth Proportional to 116,715.15, 174,792.06 and 66,643.47

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Solution

The fourth proportional to 116,715.15, 174,792.06 and 66,643.47 is: 99,804.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,715.15 : 174,792.06 = 66,643.47 : x
  2. Step 2: Convert to fraction form
    116,715.15/174,792.06 = 66,643.47/x
  3. Step 3: Cross multiply
    116,715.15x = 174,792.06 × 66,643.47
  4. Step 4: Simplify right side
    116,715.15x = 11,648,749,406.85
  5. Step 5: Solve for x
    x = 11,648,749,406.85/116,715.15
  6. Step 6: Final answer
    x = 99,804.95

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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.