Home / 53,308.81-79,555.22-47,622.63

Finding the Fourth Proportional to 53,308.81, 79,555.22 and 47,622.63

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Solution

The fourth proportional to 53,308.81, 79,555.22 and 47,622.63 is: 71,069.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,308.81 : 79,555.22 = 47,622.63 : x
  2. Step 2: Convert to fraction form
    53,308.81/79,555.22 = 47,622.63/x
  3. Step 3: Cross multiply
    53,308.81x = 79,555.22 × 47,622.63
  4. Step 4: Simplify right side
    53,308.81x = 3,788,628,806.63
  5. Step 5: Solve for x
    x = 3,788,628,806.63/53,308.81
  6. Step 6: Final answer
    x = 71,069.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.