Home / 53,176.39-79,776.12-15,739.10

Finding the Fourth Proportional to 53,176.39, 79,776.12 and 15,739.10

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Solution

The fourth proportional to 53,176.39, 79,776.12 and 15,739.10 is: 23,612.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,176.39 : 79,776.12 = 15,739.10 : x
  2. Step 2: Convert to fraction form
    53,176.39/79,776.12 = 15,739.10/x
  3. Step 3: Cross multiply
    53,176.39x = 79,776.12 × 15,739.10
  4. Step 4: Simplify right side
    53,176.39x = 1,255,604,018.00
  5. Step 5: Solve for x
    x = 1,255,604,018.00/53,176.39
  6. Step 6: Final answer
    x = 23,612.06

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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.