Home / 53,802.40-80,743.28-27,173.92

Finding the Fourth Proportional to 53,802.40, 80,743.28 and 27,173.92

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Solution

The fourth proportional to 53,802.40, 80,743.28 and 27,173.92 is: 40,780.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,802.40 : 80,743.28 = 27,173.92 : x
  2. Step 2: Convert to fraction form
    53,802.40/80,743.28 = 27,173.92/x
  3. Step 3: Cross multiply
    53,802.40x = 80,743.28 × 27,173.92
  4. Step 4: Simplify right side
    53,802.40x = 2,194,111,431.26
  5. Step 5: Solve for x
    x = 2,194,111,431.26/53,802.40
  6. Step 6: Final answer
    x = 40,780.92

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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.