Home / 51,770.08-77,461.80-43,361.20

Finding the Fourth Proportional to 51,770.08, 77,461.80 and 43,361.20

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Solution

The fourth proportional to 51,770.08, 77,461.80 and 43,361.20 is: 64,879.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,770.08 : 77,461.80 = 43,361.20 : x
  2. Step 2: Convert to fraction form
    51,770.08/77,461.80 = 43,361.20/x
  3. Step 3: Cross multiply
    51,770.08x = 77,461.80 × 43,361.20
  4. Step 4: Simplify right side
    51,770.08x = 3,358,836,602.16
  5. Step 5: Solve for x
    x = 3,358,836,602.16/51,770.08
  6. Step 6: Final answer
    x = 64,879.88

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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.