Home / 70,749.12-105,973.92-48,457.92

Finding the Fourth Proportional to 70,749.12, 105,973.92 and 48,457.92

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Solution

The fourth proportional to 70,749.12, 105,973.92 and 48,457.92 is: 72,584.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,749.12 : 105,973.92 = 48,457.92 : x
  2. Step 2: Convert to fraction form
    70,749.12/105,973.92 = 48,457.92/x
  3. Step 3: Cross multiply
    70,749.12x = 105,973.92 × 48,457.92
  4. Step 4: Simplify right side
    70,749.12x = 5,135,275,737.45
  5. Step 5: Solve for x
    x = 5,135,275,737.45/70,749.12
  6. Step 6: Final answer
    x = 72,584.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.