Home / 86,476.12-119,274.06-66,104.24

Finding the Fourth Proportional to 86,476.12, 119,274.06 and 66,104.24

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Solution

The fourth proportional to 86,476.12, 119,274.06 and 66,104.24 is: 91,175.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,476.12 : 119,274.06 = 66,104.24 : x
  2. Step 2: Convert to fraction form
    86,476.12/119,274.06 = 66,104.24/x
  3. Step 3: Cross multiply
    86,476.12x = 119,274.06 × 66,104.24
  4. Step 4: Simplify right side
    86,476.12x = 7,884,521,088.01
  5. Step 5: Solve for x
    x = 7,884,521,088.01/86,476.12
  6. Step 6: Final answer
    x = 91,175.70

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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.