Home / 74,836.90-103,292.65-43,024.28

Finding the Fourth Proportional to 74,836.90, 103,292.65 and 43,024.28

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Solution

The fourth proportional to 74,836.90, 103,292.65 and 43,024.28 is: 59,383.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,836.90 : 103,292.65 = 43,024.28 : x
  2. Step 2: Convert to fraction form
    74,836.90/103,292.65 = 43,024.28/x
  3. Step 3: Cross multiply
    74,836.90x = 103,292.65 × 43,024.28
  4. Step 4: Simplify right side
    74,836.90x = 4,444,091,895.54
  5. Step 5: Solve for x
    x = 4,444,091,895.54/74,836.90
  6. Step 6: Final answer
    x = 59,383.70

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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.