Home / 74,286.39-102,564.16-52,823.72

Finding the Fourth Proportional to 74,286.39, 102,564.16 and 52,823.72

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Solution

The fourth proportional to 74,286.39, 102,564.16 and 52,823.72 is: 72,931.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,286.39 : 102,564.16 = 52,823.72 : x
  2. Step 2: Convert to fraction form
    74,286.39/102,564.16 = 52,823.72/x
  3. Step 3: Cross multiply
    74,286.39x = 102,564.16 × 52,823.72
  4. Step 4: Simplify right side
    74,286.39x = 5,417,820,594.23
  5. Step 5: Solve for x
    x = 5,417,820,594.23/74,286.39
  6. Step 6: Final answer
    x = 72,931.53

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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.