Home / 47,071.52-70,607.86-13,792.26

Finding the Fourth Proportional to 47,071.52, 70,607.86 and 13,792.26

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Solution

The fourth proportional to 47,071.52, 70,607.86 and 13,792.26 is: 20,688.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,071.52 : 70,607.86 = 13,792.26 : x
  2. Step 2: Convert to fraction form
    47,071.52/70,607.86 = 13,792.26/x
  3. Step 3: Cross multiply
    47,071.52x = 70,607.86 × 13,792.26
  4. Step 4: Simplify right side
    47,071.52x = 973,842,103.87
  5. Step 5: Solve for x
    x = 973,842,103.87/47,071.52
  6. Step 6: Final answer
    x = 20,688.56

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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.