Home / 105,039.99-144,952.74-57,293.73

Finding the Fourth Proportional to 105,039.99, 144,952.74 and 57,293.73

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Solution

The fourth proportional to 105,039.99, 144,952.74 and 57,293.73 is: 79,064.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,039.99 : 144,952.74 = 57,293.73 : x
  2. Step 2: Convert to fraction form
    105,039.99/144,952.74 = 57,293.73/x
  3. Step 3: Cross multiply
    105,039.99x = 144,952.74 × 57,293.73
  4. Step 4: Simplify right side
    105,039.99x = 8,304,883,148.32
  5. Step 5: Solve for x
    x = 8,304,883,148.32/105,039.99
  6. Step 6: Final answer
    x = 79,064.01

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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.