Home / 105,930.90-146,185.70-57,533.77

Finding the Fourth Proportional to 105,930.90, 146,185.70 and 57,533.77

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Solution

The fourth proportional to 105,930.90, 146,185.70 and 57,533.77 is: 79,397.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,930.90 : 146,185.70 = 57,533.77 : x
  2. Step 2: Convert to fraction form
    105,930.90/146,185.70 = 57,533.77/x
  3. Step 3: Cross multiply
    105,930.90x = 146,185.70 × 57,533.77
  4. Step 4: Simplify right side
    105,930.90x = 8,410,614,458.61
  5. Step 5: Solve for x
    x = 8,410,614,458.61/105,930.90
  6. Step 6: Final answer
    x = 79,397.18

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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.