Home / 70,890.38-97,828.68-39,059.96

Finding the Fourth Proportional to 70,890.38, 97,828.68 and 39,059.96

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Solution

The fourth proportional to 70,890.38, 97,828.68 and 39,059.96 is: 53,902.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,890.38 : 97,828.68 = 39,059.96 : x
  2. Step 2: Convert to fraction form
    70,890.38/97,828.68 = 39,059.96/x
  3. Step 3: Cross multiply
    70,890.38x = 97,828.68 × 39,059.96
  4. Step 4: Simplify right side
    70,890.38x = 3,821,184,327.65
  5. Step 5: Solve for x
    x = 3,821,184,327.65/70,890.38
  6. Step 6: Final answer
    x = 53,902.72

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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.