Home / 66,964.18-100,393.61-45,840.19

Finding the Fourth Proportional to 66,964.18, 100,393.61 and 45,840.19

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Solution

The fourth proportional to 66,964.18, 100,393.61 and 45,840.19 is: 68,724.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,964.18 : 100,393.61 = 45,840.19 : x
  2. Step 2: Convert to fraction form
    66,964.18/100,393.61 = 45,840.19/x
  3. Step 3: Cross multiply
    66,964.18x = 100,393.61 × 45,840.19
  4. Step 4: Simplify right side
    66,964.18x = 4,602,062,157.19
  5. Step 5: Solve for x
    x = 4,602,062,157.19/66,964.18
  6. Step 6: Final answer
    x = 68,724.24

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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.