Home / 97,382.64-134,378.28-56,540.52

Finding the Fourth Proportional to 97,382.64, 134,378.28 and 56,540.52

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Solution

The fourth proportional to 97,382.64, 134,378.28 and 56,540.52 is: 78,020.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,382.64 : 134,378.28 = 56,540.52 : x
  2. Step 2: Convert to fraction form
    97,382.64/134,378.28 = 56,540.52/x
  3. Step 3: Cross multiply
    97,382.64x = 134,378.28 × 56,540.52
  4. Step 4: Simplify right side
    97,382.64x = 7,597,817,827.91
  5. Step 5: Solve for x
    x = 7,597,817,827.91/97,382.64
  6. Step 6: Final answer
    x = 78,020.25

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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.