Home / 105,222.48-145,201.14-59,911.53

Finding the Fourth Proportional to 105,222.48, 145,201.14 and 59,911.53

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Solution

The fourth proportional to 105,222.48, 145,201.14 and 59,911.53 is: 82,674.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,222.48 : 145,201.14 = 59,911.53 : x
  2. Step 2: Convert to fraction form
    105,222.48/145,201.14 = 59,911.53/x
  3. Step 3: Cross multiply
    105,222.48x = 145,201.14 × 59,911.53
  4. Step 4: Simplify right side
    105,222.48x = 8,699,222,455.14
  5. Step 5: Solve for x
    x = 8,699,222,455.14/105,222.48
  6. Step 6: Final answer
    x = 82,674.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.