Home / 105,552.72-158,312.07-46,377.36

Finding the Fourth Proportional to 105,552.72, 158,312.07 and 46,377.36

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Solution

The fourth proportional to 105,552.72, 158,312.07 and 46,377.36 is: 69,558.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,552.72 : 158,312.07 = 46,377.36 : x
  2. Step 2: Convert to fraction form
    105,552.72/158,312.07 = 46,377.36/x
  3. Step 3: Cross multiply
    105,552.72x = 158,312.07 × 46,377.36
  4. Step 4: Simplify right side
    105,552.72x = 7,342,095,862.74
  5. Step 5: Solve for x
    x = 7,342,095,862.74/105,552.72
  6. Step 6: Final answer
    x = 69,558.57

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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.