Home / 45,620.06-68,430.32-45,554.45

Finding the Fourth Proportional to 45,620.06, 68,430.32 and 45,554.45

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Solution

The fourth proportional to 45,620.06, 68,430.32 and 45,554.45 is: 68,331.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,620.06 : 68,430.32 = 45,554.45 : x
  2. Step 2: Convert to fraction form
    45,620.06/68,430.32 = 45,554.45/x
  3. Step 3: Cross multiply
    45,620.06x = 68,430.32 × 45,554.45
  4. Step 4: Simplify right side
    45,620.06x = 3,117,305,576.75
  5. Step 5: Solve for x
    x = 3,117,305,576.75/45,620.06
  6. Step 6: Final answer
    x = 68,331.90

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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.