Home / 114,287.60-171,458.78-47,690.69

Finding the Fourth Proportional to 114,287.60, 171,458.78 and 47,690.69

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Solution

The fourth proportional to 114,287.60, 171,458.78 and 47,690.69 is: 71,547.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,287.60 : 171,458.78 = 47,690.69 : x
  2. Step 2: Convert to fraction form
    114,287.60/171,458.78 = 47,690.69/x
  3. Step 3: Cross multiply
    114,287.60x = 171,458.78 × 47,690.69
  4. Step 4: Simplify right side
    114,287.60x = 8,176,986,429.01
  5. Step 5: Solve for x
    x = 8,176,986,429.01/114,287.60
  6. Step 6: Final answer
    x = 71,547.45

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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.