Home / 78,084.36-107,766.18-46,265.40

Finding the Fourth Proportional to 78,084.36, 107,766.18 and 46,265.40

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Solution

The fourth proportional to 78,084.36, 107,766.18 and 46,265.40 is: 63,852.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,084.36 : 107,766.18 = 46,265.40 : x
  2. Step 2: Convert to fraction form
    78,084.36/107,766.18 = 46,265.40/x
  3. Step 3: Cross multiply
    78,084.36x = 107,766.18 × 46,265.40
  4. Step 4: Simplify right side
    78,084.36x = 4,985,845,424.17
  5. Step 5: Solve for x
    x = 4,985,845,424.17/78,084.36
  6. Step 6: Final answer
    x = 63,852.04

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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.