Home / 67,866.07-93,666.41-37,661.09

Finding the Fourth Proportional to 67,866.07, 93,666.41 and 37,661.09

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Solution

The fourth proportional to 67,866.07, 93,666.41 and 37,661.09 is: 51,978.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,866.07 : 93,666.41 = 37,661.09 : x
  2. Step 2: Convert to fraction form
    67,866.07/93,666.41 = 37,661.09/x
  3. Step 3: Cross multiply
    67,866.07x = 93,666.41 × 37,661.09
  4. Step 4: Simplify right side
    67,866.07x = 3,527,579,191.14
  5. Step 5: Solve for x
    x = 3,527,579,191.14/67,866.07
  6. Step 6: Final answer
    x = 51,978.54

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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.