Home / 112,792.48-169,190.64-42,704.80

Finding the Fourth Proportional to 112,792.48, 169,190.64 and 42,704.80

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Solution

The fourth proportional to 112,792.48, 169,190.64 and 42,704.80 is: 64,057.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,792.48 : 169,190.64 = 42,704.80 : x
  2. Step 2: Convert to fraction form
    112,792.48/169,190.64 = 42,704.80/x
  3. Step 3: Cross multiply
    112,792.48x = 169,190.64 × 42,704.80
  4. Step 4: Simplify right side
    112,792.48x = 7,225,252,443.07
  5. Step 5: Solve for x
    x = 7,225,252,443.07/112,792.48
  6. Step 6: Final answer
    x = 64,057.93

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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.