Home / 105,759.73-158,534.47-53,008.21

Finding the Fourth Proportional to 105,759.73, 158,534.47 and 53,008.21

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Solution

The fourth proportional to 105,759.73, 158,534.47 and 53,008.21 is: 79,459.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,759.73 : 158,534.47 = 53,008.21 : x
  2. Step 2: Convert to fraction form
    105,759.73/158,534.47 = 53,008.21/x
  3. Step 3: Cross multiply
    105,759.73x = 158,534.47 × 53,008.21
  4. Step 4: Simplify right side
    105,759.73x = 8,403,627,552.81
  5. Step 5: Solve for x
    x = 8,403,627,552.81/105,759.73
  6. Step 6: Final answer
    x = 79,459.62

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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.