Home / 74,723.54-103,124.66-42,898.58

Finding the Fourth Proportional to 74,723.54, 103,124.66 and 42,898.58

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Solution

The fourth proportional to 74,723.54, 103,124.66 and 42,898.58 is: 59,203.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,723.54 : 103,124.66 = 42,898.58 : x
  2. Step 2: Convert to fraction form
    74,723.54/103,124.66 = 42,898.58/x
  3. Step 3: Cross multiply
    74,723.54x = 103,124.66 × 42,898.58
  4. Step 4: Simplify right side
    74,723.54x = 4,423,901,476.98
  5. Step 5: Solve for x
    x = 4,423,901,476.98/74,723.54
  6. Step 6: Final answer
    x = 59,203.59

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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.