Home / 86,742.73-130,151-36,833.57

Finding the Fourth Proportional to 86,742.73, 130,151 and 36,833.57

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Solution

The fourth proportional to 86,742.73, 130,151 and 36,833.57 is: 55,266.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,742.73 : 130,151 = 36,833.57 : x
  2. Step 2: Convert to fraction form
    86,742.73/130,151 = 36,833.57/x
  3. Step 3: Cross multiply
    86,742.73x = 130,151 × 36,833.57
  4. Step 4: Simplify right side
    86,742.73x = 4,793,925,969.07
  5. Step 5: Solve for x
    x = 4,793,925,969.07/86,742.73
  6. Step 6: Final answer
    x = 55,266.03

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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.