Home / 53,182.49-73,395.29-30,528.81

Finding the Fourth Proportional to 53,182.49, 73,395.29 and 30,528.81

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Solution

The fourth proportional to 53,182.49, 73,395.29 and 30,528.81 is: 42,131.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,182.49 : 73,395.29 = 30,528.81 : x
  2. Step 2: Convert to fraction form
    53,182.49/73,395.29 = 30,528.81/x
  3. Step 3: Cross multiply
    53,182.49x = 73,395.29 × 30,528.81
  4. Step 4: Simplify right side
    53,182.49x = 2,240,670,710.66
  5. Step 5: Solve for x
    x = 2,240,670,710.66/53,182.49
  6. Step 6: Final answer
    x = 42,131.74

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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.