Home / 51,938.40-77,772.96-43,599.36

Finding the Fourth Proportional to 51,938.40, 77,772.96 and 43,599.36

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Solution

The fourth proportional to 51,938.40, 77,772.96 and 43,599.36 is: 65,286.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,938.40 : 77,772.96 = 43,599.36 : x
  2. Step 2: Convert to fraction form
    51,938.40/77,772.96 = 43,599.36/x
  3. Step 3: Cross multiply
    51,938.40x = 77,772.96 × 43,599.36
  4. Step 4: Simplify right side
    51,938.40x = 3,390,851,281.31
  5. Step 5: Solve for x
    x = 3,390,851,281.31/51,938.40
  6. Step 6: Final answer
    x = 65,286.02

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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.