Home / 91,346.58-136,919.79-46,975.68

Finding the Fourth Proportional to 91,346.58, 136,919.79 and 46,975.68

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Solution

The fourth proportional to 91,346.58, 136,919.79 and 46,975.68 is: 70,412.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,346.58 : 136,919.79 = 46,975.68 : x
  2. Step 2: Convert to fraction form
    91,346.58/136,919.79 = 46,975.68/x
  3. Step 3: Cross multiply
    91,346.58x = 136,919.79 × 46,975.68
  4. Step 4: Simplify right side
    91,346.58x = 6,431,900,240.71
  5. Step 5: Solve for x
    x = 6,431,900,240.71/91,346.58
  6. Step 6: Final answer
    x = 70,412.05

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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.