Home / 59,373-81,935.28-40,509.72

Finding the Fourth Proportional to 59,373, 81,935.28 and 40,509.72

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Solution

The fourth proportional to 59,373, 81,935.28 and 40,509.72 is: 55,903.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,373 : 81,935.28 = 40,509.72 : x
  2. Step 2: Convert to fraction form
    59,373/81,935.28 = 40,509.72/x
  3. Step 3: Cross multiply
    59,373x = 81,935.28 × 40,509.72
  4. Step 4: Simplify right side
    59,373x = 3,319,175,250.92
  5. Step 5: Solve for x
    x = 3,319,175,250.92/59,373
  6. Step 6: Final answer
    x = 55,903.78

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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.