Home / 70,890.65-97,829.43-39,059.47

Finding the Fourth Proportional to 70,890.65, 97,829.43 and 39,059.47

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Solution

The fourth proportional to 70,890.65, 97,829.43 and 39,059.47 is: 53,902.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,890.65 : 97,829.43 = 39,059.47 : x
  2. Step 2: Convert to fraction form
    70,890.65/97,829.43 = 39,059.47/x
  3. Step 3: Cross multiply
    70,890.65x = 97,829.43 × 39,059.47
  4. Step 4: Simplify right side
    70,890.65x = 3,821,165,686.20
  5. Step 5: Solve for x
    x = 3,821,165,686.20/70,890.65
  6. Step 6: Final answer
    x = 53,902.25

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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.