Home / 86,441.04-119,318.40-50,642.64

Finding the Fourth Proportional to 86,441.04, 119,318.40 and 50,642.64

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Solution

The fourth proportional to 86,441.04, 119,318.40 and 50,642.64 is: 69,904.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,441.04 : 119,318.40 = 50,642.64 : x
  2. Step 2: Convert to fraction form
    86,441.04/119,318.40 = 50,642.64/x
  3. Step 3: Cross multiply
    86,441.04x = 119,318.40 × 50,642.64
  4. Step 4: Simplify right side
    86,441.04x = 6,042,598,776.58
  5. Step 5: Solve for x
    x = 6,042,598,776.58/86,441.04
  6. Step 6: Final answer
    x = 69,904.28

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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.