Home / 104,005.35-143,527.37-56,258.64

Finding the Fourth Proportional to 104,005.35, 143,527.37 and 56,258.64

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Solution

The fourth proportional to 104,005.35, 143,527.37 and 56,258.64 is: 77,636.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,005.35 : 143,527.37 = 56,258.64 : x
  2. Step 2: Convert to fraction form
    104,005.35/143,527.37 = 56,258.64/x
  3. Step 3: Cross multiply
    104,005.35x = 143,527.37 × 56,258.64
  4. Step 4: Simplify right side
    104,005.35x = 8,074,654,357.68
  5. Step 5: Solve for x
    x = 8,074,654,357.68/104,005.35
  6. Step 6: Final answer
    x = 77,636.91

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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.