Home / 104,005.60-143,527.74-56,258.92

Finding the Fourth Proportional to 104,005.60, 143,527.74 and 56,258.92

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Solution

The fourth proportional to 104,005.60, 143,527.74 and 56,258.92 is: 77,637.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,005.60 : 143,527.74 = 56,258.92 : x
  2. Step 2: Convert to fraction form
    104,005.60/143,527.74 = 56,258.92/x
  3. Step 3: Cross multiply
    104,005.60x = 143,527.74 × 56,258.92
  4. Step 4: Simplify right side
    104,005.60x = 8,074,715,642.44
  5. Step 5: Solve for x
    x = 8,074,715,642.44/104,005.60
  6. Step 6: Final answer
    x = 77,637.32

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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.