Home / 86,040.02-118,736.79-48,315.62

Finding the Fourth Proportional to 86,040.02, 118,736.79 and 48,315.62

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Solution

The fourth proportional to 86,040.02, 118,736.79 and 48,315.62 is: 66,676.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,040.02 : 118,736.79 = 48,315.62 : x
  2. Step 2: Convert to fraction form
    86,040.02/118,736.79 = 48,315.62/x
  3. Step 3: Cross multiply
    86,040.02x = 118,736.79 × 48,315.62
  4. Step 4: Simplify right side
    86,040.02x = 5,736,841,741.32
  5. Step 5: Solve for x
    x = 5,736,841,741.32/86,040.02
  6. Step 6: Final answer
    x = 66,676.43

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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.