Home / 78,374.69-108,184.66-46,543.36

Finding the Fourth Proportional to 78,374.69, 108,184.66 and 46,543.36

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Solution

The fourth proportional to 78,374.69, 108,184.66 and 46,543.36 is: 64,246.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,374.69 : 108,184.66 = 46,543.36 : x
  2. Step 2: Convert to fraction form
    78,374.69/108,184.66 = 46,543.36/x
  3. Step 3: Cross multiply
    78,374.69x = 108,184.66 × 46,543.36
  4. Step 4: Simplify right side
    78,374.69x = 5,035,277,654.69
  5. Step 5: Solve for x
    x = 5,035,277,654.69/78,374.69
  6. Step 6: Final answer
    x = 64,246.22

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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.