Home / 105,586.65-158,400.63-46,422.14

Finding the Fourth Proportional to 105,586.65, 158,400.63 and 46,422.14

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Solution

The fourth proportional to 105,586.65, 158,400.63 and 46,422.14 is: 69,642.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,586.65 : 158,400.63 = 46,422.14 : x
  2. Step 2: Convert to fraction form
    105,586.65/158,400.63 = 46,422.14/x
  3. Step 3: Cross multiply
    105,586.65x = 158,400.63 × 46,422.14
  4. Step 4: Simplify right side
    105,586.65x = 7,353,295,429.95
  5. Step 5: Solve for x
    x = 7,353,295,429.95/105,586.65
  6. Step 6: Final answer
    x = 69,642.28

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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.