Home / 53,088.11-79,632.16-13,645.26

Finding the Fourth Proportional to 53,088.11, 79,632.16 and 13,645.26

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Solution

The fourth proportional to 53,088.11, 79,632.16 and 13,645.26 is: 20,467.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,088.11 : 79,632.16 = 13,645.26 : x
  2. Step 2: Convert to fraction form
    53,088.11/79,632.16 = 13,645.26/x
  3. Step 3: Cross multiply
    53,088.11x = 79,632.16 × 13,645.26
  4. Step 4: Simplify right side
    53,088.11x = 1,086,601,570.20
  5. Step 5: Solve for x
    x = 1,086,601,570.20/53,088.11
  6. Step 6: Final answer
    x = 20,467.89

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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.