Home / 47,054.12-70,588.26-13,770

Finding the Fourth Proportional to 47,054.12, 70,588.26 and 13,770

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Solution

The fourth proportional to 47,054.12, 70,588.26 and 13,770 is: 20,657.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,054.12 : 70,588.26 = 13,770 : x
  2. Step 2: Convert to fraction form
    47,054.12/70,588.26 = 13,770/x
  3. Step 3: Cross multiply
    47,054.12x = 70,588.26 × 13,770
  4. Step 4: Simplify right side
    47,054.12x = 972,000,340.20
  5. Step 5: Solve for x
    x = 972,000,340.20/47,054.12
  6. Step 6: Final answer
    x = 20,657.07

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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.