Home / 86,017.02-129,040.66-39,274.62

Finding the Fourth Proportional to 86,017.02, 129,040.66 and 39,274.62

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Solution

The fourth proportional to 86,017.02, 129,040.66 and 39,274.62 is: 58,918.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,017.02 : 129,040.66 = 39,274.62 : x
  2. Step 2: Convert to fraction form
    86,017.02/129,040.66 = 39,274.62/x
  3. Step 3: Cross multiply
    86,017.02x = 129,040.66 × 39,274.62
  4. Step 4: Simplify right side
    86,017.02x = 5,068,022,886.05
  5. Step 5: Solve for x
    x = 5,068,022,886.05/86,017.02
  6. Step 6: Final answer
    x = 58,918.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.