Home / 47,089.05-70,622.61-17,520.81

Finding the Fourth Proportional to 47,089.05, 70,622.61 and 17,520.81

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Solution

The fourth proportional to 47,089.05, 70,622.61 and 17,520.81 is: 26,277.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,089.05 : 70,622.61 = 17,520.81 : x
  2. Step 2: Convert to fraction form
    47,089.05/70,622.61 = 17,520.81/x
  3. Step 3: Cross multiply
    47,089.05x = 70,622.61 × 17,520.81
  4. Step 4: Simplify right side
    47,089.05x = 1,237,365,331.51
  5. Step 5: Solve for x
    x = 1,237,365,331.51/47,089.05
  6. Step 6: Final answer
    x = 26,277.14

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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.