Home / 113,775.06-170,738.71-47,215.18

Finding the Fourth Proportional to 113,775.06, 170,738.71 and 47,215.18

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Solution

The fourth proportional to 113,775.06, 170,738.71 and 47,215.18 is: 70,854.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,775.06 : 170,738.71 = 47,215.18 : x
  2. Step 2: Convert to fraction form
    113,775.06/170,738.71 = 47,215.18/x
  3. Step 3: Cross multiply
    113,775.06x = 170,738.71 × 47,215.18
  4. Step 4: Simplify right side
    113,775.06x = 8,061,459,754.05
  5. Step 5: Solve for x
    x = 8,061,459,754.05/113,775.06
  6. Step 6: Final answer
    x = 70,854.37

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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.