Home / 76,209.02-105,172.16-45,993.79

Finding the Fourth Proportional to 76,209.02, 105,172.16 and 45,993.79

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Solution

The fourth proportional to 76,209.02, 105,172.16 and 45,993.79 is: 63,473.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,209.02 : 105,172.16 = 45,993.79 : x
  2. Step 2: Convert to fraction form
    76,209.02/105,172.16 = 45,993.79/x
  3. Step 3: Cross multiply
    76,209.02x = 105,172.16 × 45,993.79
  4. Step 4: Simplify right side
    76,209.02x = 4,837,266,240.89
  5. Step 5: Solve for x
    x = 4,837,266,240.89/76,209.02
  6. Step 6: Final answer
    x = 63,473.67

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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.