Home / 104,748.16-144,571.20-67,021.12

Finding the Fourth Proportional to 104,748.16, 144,571.20 and 67,021.12

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Solution

The fourth proportional to 104,748.16, 144,571.20 and 67,021.12 is: 92,501.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,748.16 : 144,571.20 = 67,021.12 : x
  2. Step 2: Convert to fraction form
    104,748.16/144,571.20 = 67,021.12/x
  3. Step 3: Cross multiply
    104,748.16x = 144,571.20 × 67,021.12
  4. Step 4: Simplify right side
    104,748.16x = 9,689,323,743.74
  5. Step 5: Solve for x
    x = 9,689,323,743.74/104,748.16
  6. Step 6: Final answer
    x = 92,501.14

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1.5x scale

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.