Home / 53,120.03-79,661.48-15,670.16

Finding the Fourth Proportional to 53,120.03, 79,661.48 and 15,670.16

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Solution

The fourth proportional to 53,120.03, 79,661.48 and 15,670.16 is: 23,499.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,120.03 : 79,661.48 = 15,670.16 : x
  2. Step 2: Convert to fraction form
    53,120.03/79,661.48 = 15,670.16/x
  3. Step 3: Cross multiply
    53,120.03x = 79,661.48 × 15,670.16
  4. Step 4: Simplify right side
    53,120.03x = 1,248,308,059.09
  5. Step 5: Solve for x
    x = 1,248,308,059.09/53,120.03
  6. Step 6: Final answer
    x = 23,499.76

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1.5x scale

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.