Home / 47,009.79-70,513.77-11,471.34

Finding the Fourth Proportional to 47,009.79, 70,513.77 and 11,471.34

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Solution

The fourth proportional to 47,009.79, 70,513.77 and 11,471.34 is: 17,206.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,009.79 : 70,513.77 = 11,471.34 : x
  2. Step 2: Convert to fraction form
    47,009.79/70,513.77 = 11,471.34/x
  3. Step 3: Cross multiply
    47,009.79x = 70,513.77 × 11,471.34
  4. Step 4: Simplify right side
    47,009.79x = 808,887,430.35
  5. Step 5: Solve for x
    x = 808,887,430.35/47,009.79
  6. Step 6: Final answer
    x = 17,206.79

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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.