Home / 105,552.18-158,334.75-46,415.70

Finding the Fourth Proportional to 105,552.18, 158,334.75 and 46,415.70

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Solution

The fourth proportional to 105,552.18, 158,334.75 and 46,415.70 is: 69,626.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,552.18 : 158,334.75 = 46,415.70 : x
  2. Step 2: Convert to fraction form
    105,552.18/158,334.75 = 46,415.70/x
  3. Step 3: Cross multiply
    105,552.18x = 158,334.75 × 46,415.70
  4. Step 4: Simplify right side
    105,552.18x = 7,349,218,255.58
  5. Step 5: Solve for x
    x = 7,349,218,255.58/105,552.18
  6. Step 6: Final answer
    x = 69,626.40

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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.