Home / 76,161.15-105,069.29-45,929.67

Finding the Fourth Proportional to 76,161.15, 105,069.29 and 45,929.67

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Solution

The fourth proportional to 76,161.15, 105,069.29 and 45,929.67 is: 63,362.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,161.15 : 105,069.29 = 45,929.67 : x
  2. Step 2: Convert to fraction form
    76,161.15/105,069.29 = 45,929.67/x
  3. Step 3: Cross multiply
    76,161.15x = 105,069.29 × 45,929.67
  4. Step 4: Simplify right side
    76,161.15x = 4,825,797,816.83
  5. Step 5: Solve for x
    x = 4,825,797,816.83/76,161.15
  6. Step 6: Final answer
    x = 63,362.99

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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.