Home / 86,666.04-119,599.78-48,940.60

Finding the Fourth Proportional to 86,666.04, 119,599.78 and 48,940.60

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Solution

The fourth proportional to 86,666.04, 119,599.78 and 48,940.60 is: 67,538.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,666.04 : 119,599.78 = 48,940.60 : x
  2. Step 2: Convert to fraction form
    86,666.04/119,599.78 = 48,940.60/x
  3. Step 3: Cross multiply
    86,666.04x = 119,599.78 × 48,940.60
  4. Step 4: Simplify right side
    86,666.04x = 5,853,284,993.07
  5. Step 5: Solve for x
    x = 5,853,284,993.07/86,666.04
  6. Step 6: Final answer
    x = 67,538.39

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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.