Home / 105,799.77-146,001.69-58,052.70

Finding the Fourth Proportional to 105,799.77, 146,001.69 and 58,052.70

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Solution

The fourth proportional to 105,799.77, 146,001.69 and 58,052.70 is: 80,111.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,799.77 : 146,001.69 = 58,052.70 : x
  2. Step 2: Convert to fraction form
    105,799.77/146,001.69 = 58,052.70/x
  3. Step 3: Cross multiply
    105,799.77x = 146,001.69 × 58,052.70
  4. Step 4: Simplify right side
    105,799.77x = 8,475,792,309.06
  5. Step 5: Solve for x
    x = 8,475,792,309.06/105,799.77
  6. Step 6: Final answer
    x = 80,111.63

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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.