Home / 113,360.50-170,040.75-30,254.50

Finding the Fourth Proportional to 113,360.50, 170,040.75 and 30,254.50

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Solution

The fourth proportional to 113,360.50, 170,040.75 and 30,254.50 is: 45,381.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,360.50 : 170,040.75 = 30,254.50 : x
  2. Step 2: Convert to fraction form
    113,360.50/170,040.75 = 30,254.50/x
  3. Step 3: Cross multiply
    113,360.50x = 170,040.75 × 30,254.50
  4. Step 4: Simplify right side
    113,360.50x = 5,144,497,870.88
  5. Step 5: Solve for x
    x = 5,144,497,870.88/113,360.50
  6. Step 6: Final answer
    x = 45,381.75

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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.