Home / 53,203.09-79,798.14-13,756.90

Finding the Fourth Proportional to 53,203.09, 79,798.14 and 13,756.90

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Solution

The fourth proportional to 53,203.09, 79,798.14 and 13,756.90 is: 20,633.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,203.09 : 79,798.14 = 13,756.90 : x
  2. Step 2: Convert to fraction form
    53,203.09/79,798.14 = 13,756.90/x
  3. Step 3: Cross multiply
    53,203.09x = 79,798.14 × 13,756.90
  4. Step 4: Simplify right side
    53,203.09x = 1,097,775,032.17
  5. Step 5: Solve for x
    x = 1,097,775,032.17/53,203.09
  6. Step 6: Final answer
    x = 20,633.67

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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.