Home / 81,957.74-113,089.65-46,140.62

Finding the Fourth Proportional to 81,957.74, 113,089.65 and 46,140.62

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Solution

The fourth proportional to 81,957.74, 113,089.65 and 46,140.62 is: 63,667.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,957.74 : 113,089.65 = 46,140.62 : x
  2. Step 2: Convert to fraction form
    81,957.74/113,089.65 = 46,140.62/x
  3. Step 3: Cross multiply
    81,957.74x = 113,089.65 × 46,140.62
  4. Step 4: Simplify right side
    81,957.74x = 5,218,026,566.58
  5. Step 5: Solve for x
    x = 5,218,026,566.58/81,957.74
  6. Step 6: Final answer
    x = 63,667.28

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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.