Home / 86,465.07-119,348.44-50,666.72

Finding the Fourth Proportional to 86,465.07, 119,348.44 and 50,666.72

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Solution

The fourth proportional to 86,465.07, 119,348.44 and 50,666.72 is: 69,935.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,465.07 : 119,348.44 = 50,666.72 : x
  2. Step 2: Convert to fraction form
    86,465.07/119,348.44 = 50,666.72/x
  3. Step 3: Cross multiply
    86,465.07x = 119,348.44 × 50,666.72
  4. Step 4: Simplify right side
    86,465.07x = 6,046,993,268.51
  5. Step 5: Solve for x
    x = 6,046,993,268.51/86,465.07
  6. Step 6: Final answer
    x = 69,935.68

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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.