Home / 105,642.74-158,406.87-46,409.06

Finding the Fourth Proportional to 105,642.74, 158,406.87 and 46,409.06

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Solution

The fourth proportional to 105,642.74, 158,406.87 and 46,409.06 is: 69,588.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,642.74 : 158,406.87 = 46,409.06 : x
  2. Step 2: Convert to fraction form
    105,642.74/158,406.87 = 46,409.06/x
  3. Step 3: Cross multiply
    105,642.74x = 158,406.87 × 46,409.06
  4. Step 4: Simplify right side
    105,642.74x = 7,351,513,934.24
  5. Step 5: Solve for x
    x = 7,351,513,934.24/105,642.74
  6. Step 6: Final answer
    x = 69,588.44

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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.