Home / 60,742.56-91,113.84-31,141.52

Finding the Fourth Proportional to 60,742.56, 91,113.84 and 31,141.52

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Solution

The fourth proportional to 60,742.56, 91,113.84 and 31,141.52 is: 46,712.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,742.56 : 91,113.84 = 31,141.52 : x
  2. Step 2: Convert to fraction form
    60,742.56/91,113.84 = 31,141.52/x
  3. Step 3: Cross multiply
    60,742.56x = 91,113.84 × 31,141.52
  4. Step 4: Simplify right side
    60,742.56x = 2,837,423,015.07
  5. Step 5: Solve for x
    x = 2,837,423,015.07/60,742.56
  6. Step 6: Final answer
    x = 46,712.27

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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.