Home / 91,070.37-125,735.63-58,819.50

Finding the Fourth Proportional to 91,070.37, 125,735.63 and 58,819.50

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Solution

The fourth proportional to 91,070.37, 125,735.63 and 58,819.50 is: 81,208.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,070.37 : 125,735.63 = 58,819.50 : x
  2. Step 2: Convert to fraction form
    91,070.37/125,735.63 = 58,819.50/x
  3. Step 3: Cross multiply
    91,070.37x = 125,735.63 × 58,819.50
  4. Step 4: Simplify right side
    91,070.37x = 7,395,706,594.69
  5. Step 5: Solve for x
    x = 7,395,706,594.69/91,070.37
  6. Step 6: Final answer
    x = 81,208.70

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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.