Home / 78,675.84-118,116.65-46,713.25

Finding the Fourth Proportional to 78,675.84, 118,116.65 and 46,713.25

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Solution

The fourth proportional to 78,675.84, 118,116.65 and 46,713.25 is: 70,130.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,675.84 : 118,116.65 = 46,713.25 : x
  2. Step 2: Convert to fraction form
    78,675.84/118,116.65 = 46,713.25/x
  3. Step 3: Cross multiply
    78,675.84x = 118,116.65 × 46,713.25
  4. Step 4: Simplify right side
    78,675.84x = 5,517,612,865.04
  5. Step 5: Solve for x
    x = 5,517,612,865.04/78,675.84
  6. Step 6: Final answer
    x = 70,130.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.