Home / 76,165.15-105,074.81-45,933.67

Finding the Fourth Proportional to 76,165.15, 105,074.81 and 45,933.67

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Solution

The fourth proportional to 76,165.15, 105,074.81 and 45,933.67 is: 63,368.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,165.15 : 105,074.81 = 45,933.67 : x
  2. Step 2: Convert to fraction form
    76,165.15/105,074.81 = 45,933.67/x
  3. Step 3: Cross multiply
    76,165.15x = 105,074.81 × 45,933.67
  4. Step 4: Simplify right side
    76,165.15x = 4,826,471,647.85
  5. Step 5: Solve for x
    x = 4,826,471,647.85/76,165.15
  6. Step 6: Final answer
    x = 63,368.50

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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.