Home / 53,000.07-73,132.28-30,335.43

Finding the Fourth Proportional to 53,000.07, 73,132.28 and 30,335.43

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Solution

The fourth proportional to 53,000.07, 73,132.28 and 30,335.43 is: 41,858.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,000.07 : 73,132.28 = 30,335.43 : x
  2. Step 2: Convert to fraction form
    53,000.07/73,132.28 = 30,335.43/x
  3. Step 3: Cross multiply
    53,000.07x = 73,132.28 × 30,335.43
  4. Step 4: Simplify right side
    53,000.07x = 2,218,499,009.00
  5. Step 5: Solve for x
    x = 2,218,499,009.00/53,000.07
  6. Step 6: Final answer
    x = 41,858.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.