Home / 72,986.96-100,725-46,119.67

Finding the Fourth Proportional to 72,986.96, 100,725 and 46,119.67

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Solution

The fourth proportional to 72,986.96, 100,725 and 46,119.67 is: 63,647.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,986.96 : 100,725 = 46,119.67 : x
  2. Step 2: Convert to fraction form
    72,986.96/100,725 = 46,119.67/x
  3. Step 3: Cross multiply
    72,986.96x = 100,725 × 46,119.67
  4. Step 4: Simplify right side
    72,986.96x = 4,645,403,508.94
  5. Step 5: Solve for x
    x = 4,645,403,508.94/72,986.96
  6. Step 6: Final answer
    x = 63,647.03

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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.