Home / 67,359.42-92,976.39-39,072.06

Finding the Fourth Proportional to 67,359.42, 92,976.39 and 39,072.06

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Solution

The fourth proportional to 67,359.42, 92,976.39 and 39,072.06 is: 53,931.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,359.42 : 92,976.39 = 39,072.06 : x
  2. Step 2: Convert to fraction form
    67,359.42/92,976.39 = 39,072.06/x
  3. Step 3: Cross multiply
    67,359.42x = 92,976.39 × 39,072.06
  4. Step 4: Simplify right side
    67,359.42x = 3,632,779,088.66
  5. Step 5: Solve for x
    x = 3,632,779,088.66/67,359.42
  6. Step 6: Final answer
    x = 53,931.27

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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.