Home / 47,210.07-70,790.70-13,925.89

Finding the Fourth Proportional to 47,210.07, 70,790.70 and 13,925.89

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Solution

The fourth proportional to 47,210.07, 70,790.70 and 13,925.89 is: 20,881.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,210.07 : 70,790.70 = 13,925.89 : x
  2. Step 2: Convert to fraction form
    47,210.07/70,790.70 = 13,925.89/x
  3. Step 3: Cross multiply
    47,210.07x = 70,790.70 × 13,925.89
  4. Step 4: Simplify right side
    47,210.07x = 985,823,147.27
  5. Step 5: Solve for x
    x = 985,823,147.27/47,210.07
  6. Step 6: Final answer
    x = 20,881.63

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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.