Home / 53,661.72-80,459.76-25,590.36

Finding the Fourth Proportional to 53,661.72, 80,459.76 and 25,590.36

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Solution

The fourth proportional to 53,661.72, 80,459.76 and 25,590.36 is: 38,369.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,661.72 : 80,459.76 = 25,590.36 : x
  2. Step 2: Convert to fraction form
    53,661.72/80,459.76 = 25,590.36/x
  3. Step 3: Cross multiply
    53,661.72x = 80,459.76 × 25,590.36
  4. Step 4: Simplify right side
    53,661.72x = 2,058,994,223.91
  5. Step 5: Solve for x
    x = 2,058,994,223.91/53,661.72
  6. Step 6: Final answer
    x = 38,369.89

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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.