Home / 105,861.36-146,088.04-57,464.25

Finding the Fourth Proportional to 105,861.36, 146,088.04 and 57,464.25

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Solution

The fourth proportional to 105,861.36, 146,088.04 and 57,464.25 is: 79,300.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,861.36 : 146,088.04 = 57,464.25 : x
  2. Step 2: Convert to fraction form
    105,861.36/146,088.04 = 57,464.25/x
  3. Step 3: Cross multiply
    105,861.36x = 146,088.04 × 57,464.25
  4. Step 4: Simplify right side
    105,861.36x = 8,394,839,652.57
  5. Step 5: Solve for x
    x = 8,394,839,652.57/105,861.36
  6. Step 6: Final answer
    x = 79,300.32

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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.