Home / 47,121.27-70,681.75-11,582.72

Finding the Fourth Proportional to 47,121.27, 70,681.75 and 11,582.72

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Solution

The fourth proportional to 47,121.27, 70,681.75 and 11,582.72 is: 17,374.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,121.27 : 70,681.75 = 11,582.72 : x
  2. Step 2: Convert to fraction form
    47,121.27/70,681.75 = 11,582.72/x
  3. Step 3: Cross multiply
    47,121.27x = 70,681.75 × 11,582.72
  4. Step 4: Simplify right side
    47,121.27x = 818,686,802.05
  5. Step 5: Solve for x
    x = 818,686,802.05/47,121.27
  6. Step 6: Final answer
    x = 17,374.04

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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.