Home / 53,132.54-73,312.22-40,382.32

Finding the Fourth Proportional to 53,132.54, 73,312.22 and 40,382.32

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Solution

The fourth proportional to 53,132.54, 73,312.22 and 40,382.32 is: 55,719.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,132.54 : 73,312.22 = 40,382.32 : x
  2. Step 2: Convert to fraction form
    53,132.54/73,312.22 = 40,382.32/x
  3. Step 3: Cross multiply
    53,132.54x = 73,312.22 × 40,382.32
  4. Step 4: Simplify right side
    53,132.54x = 2,960,517,527.95
  5. Step 5: Solve for x
    x = 2,960,517,527.95/53,132.54
  6. Step 6: Final answer
    x = 55,719.48

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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.