Home / 53,387.04-80,086.02-18,322.14

Finding the Fourth Proportional to 53,387.04, 80,086.02 and 18,322.14

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Solution

The fourth proportional to 53,387.04, 80,086.02 and 18,322.14 is: 27,485.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,387.04 : 80,086.02 = 18,322.14 : x
  2. Step 2: Convert to fraction form
    53,387.04/80,086.02 = 18,322.14/x
  3. Step 3: Cross multiply
    53,387.04x = 80,086.02 × 18,322.14
  4. Step 4: Simplify right side
    53,387.04x = 1,467,347,270.48
  5. Step 5: Solve for x
    x = 1,467,347,270.48/53,387.04
  6. Step 6: Final answer
    x = 27,485.08

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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.