Home / 74,973.31-103,460.37-40,981.52

Finding the Fourth Proportional to 74,973.31, 103,460.37 and 40,981.52

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Solution

The fourth proportional to 74,973.31, 103,460.37 and 40,981.52 is: 56,552.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,973.31 : 103,460.37 = 40,981.52 : x
  2. Step 2: Convert to fraction form
    74,973.31/103,460.37 = 40,981.52/x
  3. Step 3: Cross multiply
    74,973.31x = 103,460.37 × 40,981.52
  4. Step 4: Simplify right side
    74,973.31x = 4,239,963,222.36
  5. Step 5: Solve for x
    x = 4,239,963,222.36/74,973.31
  6. Step 6: Final answer
    x = 56,552.97

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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.