Home / 67,662.45-93,382.20-39,368.07

Finding the Fourth Proportional to 67,662.45, 93,382.20 and 39,368.07

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Solution

The fourth proportional to 67,662.45, 93,382.20 and 39,368.07 is: 54,332.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,662.45 : 93,382.20 = 39,368.07 : x
  2. Step 2: Convert to fraction form
    67,662.45/93,382.20 = 39,368.07/x
  3. Step 3: Cross multiply
    67,662.45x = 93,382.20 × 39,368.07
  4. Step 4: Simplify right side
    67,662.45x = 3,676,276,986.35
  5. Step 5: Solve for x
    x = 3,676,276,986.35/67,662.45
  6. Step 6: Final answer
    x = 54,332.60

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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.