Home / 86,032.12-118,653.24-52,039.12

Finding the Fourth Proportional to 86,032.12, 118,653.24 and 52,039.12

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Solution

The fourth proportional to 86,032.12, 118,653.24 and 52,039.12 is: 71,770.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,032.12 : 118,653.24 = 52,039.12 : x
  2. Step 2: Convert to fraction form
    86,032.12/118,653.24 = 52,039.12/x
  3. Step 3: Cross multiply
    86,032.12x = 118,653.24 × 52,039.12
  4. Step 4: Simplify right side
    86,032.12x = 6,174,610,194.75
  5. Step 5: Solve for x
    x = 6,174,610,194.75/86,032.12
  6. Step 6: Final answer
    x = 71,770.99

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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.