Home / 109,267.49-163,858.17-53,090.98

Finding the Fourth Proportional to 109,267.49, 163,858.17 and 53,090.98

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Solution

The fourth proportional to 109,267.49, 163,858.17 and 53,090.98 is: 79,615.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,267.49 : 163,858.17 = 53,090.98 : x
  2. Step 2: Convert to fraction form
    109,267.49/163,858.17 = 53,090.98/x
  3. Step 3: Cross multiply
    109,267.49x = 163,858.17 × 53,090.98
  4. Step 4: Simplify right side
    109,267.49x = 8,699,390,859.07
  5. Step 5: Solve for x
    x = 8,699,390,859.07/109,267.49
  6. Step 6: Final answer
    x = 79,615.54

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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.