Home / 107,121.69-147,825.54-59,374.62

Finding the Fourth Proportional to 107,121.69, 147,825.54 and 59,374.62

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Solution

The fourth proportional to 107,121.69, 147,825.54 and 59,374.62 is: 81,935.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,121.69 : 147,825.54 = 59,374.62 : x
  2. Step 2: Convert to fraction form
    107,121.69/147,825.54 = 59,374.62/x
  3. Step 3: Cross multiply
    107,121.69x = 147,825.54 × 59,374.62
  4. Step 4: Simplify right side
    107,121.69x = 8,777,085,263.79
  5. Step 5: Solve for x
    x = 8,777,085,263.79/107,121.69
  6. Step 6: Final answer
    x = 81,935.65

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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.