Home / 74,785.46-103,204.02-42,960.51

Finding the Fourth Proportional to 74,785.46, 103,204.02 and 42,960.51

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Solution

The fourth proportional to 74,785.46, 103,204.02 and 42,960.51 is: 59,285.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,785.46 : 103,204.02 = 42,960.51 : x
  2. Step 2: Convert to fraction form
    74,785.46/103,204.02 = 42,960.51/x
  3. Step 3: Cross multiply
    74,785.46x = 103,204.02 × 42,960.51
  4. Step 4: Simplify right side
    74,785.46x = 4,433,697,333.25
  5. Step 5: Solve for x
    x = 4,433,697,333.25/74,785.46
  6. Step 6: Final answer
    x = 59,285.56

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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.