Home / 53,382.64-73,670.88-30,725.08

Finding the Fourth Proportional to 53,382.64, 73,670.88 and 30,725.08

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Solution

The fourth proportional to 53,382.64, 73,670.88 and 30,725.08 is: 42,402.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,382.64 : 73,670.88 = 30,725.08 : x
  2. Step 2: Convert to fraction form
    53,382.64/73,670.88 = 30,725.08/x
  3. Step 3: Cross multiply
    53,382.64x = 73,670.88 × 30,725.08
  4. Step 4: Simplify right side
    53,382.64x = 2,263,543,681.67
  5. Step 5: Solve for x
    x = 2,263,543,681.67/53,382.64
  6. Step 6: Final answer
    x = 42,402.24

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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.