Home / 84,041.60-115,976.38-46,315.04

Finding the Fourth Proportional to 84,041.60, 115,976.38 and 46,315.04

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Solution

The fourth proportional to 84,041.60, 115,976.38 and 46,315.04 is: 63,914.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,041.60 : 115,976.38 = 46,315.04 : x
  2. Step 2: Convert to fraction form
    84,041.60/115,976.38 = 46,315.04/x
  3. Step 3: Cross multiply
    84,041.60x = 115,976.38 × 46,315.04
  4. Step 4: Simplify right side
    84,041.60x = 5,371,450,678.76
  5. Step 5: Solve for x
    x = 5,371,450,678.76/84,041.60
  6. Step 6: Final answer
    x = 63,914.19

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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.