Home / 105,744.51-145,927.62-57,998.18

Finding the Fourth Proportional to 105,744.51, 145,927.62 and 57,998.18

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Solution

The fourth proportional to 105,744.51, 145,927.62 and 57,998.18 is: 80,037.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,744.51 : 145,927.62 = 57,998.18 : x
  2. Step 2: Convert to fraction form
    105,744.51/145,927.62 = 57,998.18/x
  3. Step 3: Cross multiply
    105,744.51x = 145,927.62 × 57,998.18
  4. Step 4: Simplify right side
    105,744.51x = 8,463,536,736.55
  5. Step 5: Solve for x
    x = 8,463,536,736.55/105,744.51
  6. Step 6: Final answer
    x = 80,037.60

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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.