Home / 53,117.88-73,315.15-30,456.46

Finding the Fourth Proportional to 53,117.88, 73,315.15 and 30,456.46

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Solution

The fourth proportional to 53,117.88, 73,315.15 and 30,456.46 is: 42,037.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,117.88 : 73,315.15 = 30,456.46 : x
  2. Step 2: Convert to fraction form
    53,117.88/73,315.15 = 30,456.46/x
  3. Step 3: Cross multiply
    53,117.88x = 73,315.15 × 30,456.46
  4. Step 4: Simplify right side
    53,117.88x = 2,232,919,933.37
  5. Step 5: Solve for x
    x = 2,232,919,933.37/53,117.88
  6. Step 6: Final answer
    x = 42,037.07

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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.