Home / 78,852.15-108,812.16-44,857.43

Finding the Fourth Proportional to 78,852.15, 108,812.16 and 44,857.43

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Solution

The fourth proportional to 78,852.15, 108,812.16 and 44,857.43 is: 61,901.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,852.15 : 108,812.16 = 44,857.43 : x
  2. Step 2: Convert to fraction form
    78,852.15/108,812.16 = 44,857.43/x
  3. Step 3: Cross multiply
    78,852.15x = 108,812.16 × 44,857.43
  4. Step 4: Simplify right side
    78,852.15x = 4,881,033,850.35
  5. Step 5: Solve for x
    x = 4,881,033,850.35/78,852.15
  6. Step 6: Final answer
    x = 61,901.09

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1.5x scale

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.