Home / 105,802.63-146,007.23-58,056.77

Finding the Fourth Proportional to 105,802.63, 146,007.23 and 58,056.77

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Solution

The fourth proportional to 105,802.63, 146,007.23 and 58,056.77 is: 80,118.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,802.63 : 146,007.23 = 58,056.77 : x
  2. Step 2: Convert to fraction form
    105,802.63/146,007.23 = 58,056.77/x
  3. Step 3: Cross multiply
    105,802.63x = 146,007.23 × 58,056.77
  4. Step 4: Simplify right side
    105,802.63x = 8,476,708,245.18
  5. Step 5: Solve for x
    x = 8,476,708,245.18/105,802.63
  6. Step 6: Final answer
    x = 80,118.13

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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.