Home / 103,693.98-155,496.94-43,749.35

Finding the Fourth Proportional to 103,693.98, 155,496.94 and 43,749.35

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Solution

The fourth proportional to 103,693.98, 155,496.94 and 43,749.35 is: 65,605.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,693.98 : 155,496.94 = 43,749.35 : x
  2. Step 2: Convert to fraction form
    103,693.98/155,496.94 = 43,749.35/x
  3. Step 3: Cross multiply
    103,693.98x = 155,496.94 × 43,749.35
  4. Step 4: Simplify right side
    103,693.98x = 6,802,890,051.99
  5. Step 5: Solve for x
    x = 6,802,890,051.99/103,693.98
  6. Step 6: Final answer
    x = 65,605.45

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1.5x scale

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.