Home / 99,668.14-137,575.36-59,394.54

Finding the Fourth Proportional to 99,668.14, 137,575.36 and 59,394.54

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Solution

The fourth proportional to 99,668.14, 137,575.36 and 59,394.54 is: 81,984.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,668.14 : 137,575.36 = 59,394.54 : x
  2. Step 2: Convert to fraction form
    99,668.14/137,575.36 = 59,394.54/x
  3. Step 3: Cross multiply
    99,668.14x = 137,575.36 × 59,394.54
  4. Step 4: Simplify right side
    99,668.14x = 8,171,225,222.53
  5. Step 5: Solve for x
    x = 8,171,225,222.53/99,668.14
  6. Step 6: Final answer
    x = 81,984.33

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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.