Home / 91,220.06-125,913.75-53,493.50

Finding the Fourth Proportional to 91,220.06, 125,913.75 and 53,493.50

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Solution

The fourth proportional to 91,220.06, 125,913.75 and 53,493.50 is: 73,838.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,220.06 : 125,913.75 = 53,493.50 : x
  2. Step 2: Convert to fraction form
    91,220.06/125,913.75 = 53,493.50/x
  3. Step 3: Cross multiply
    91,220.06x = 125,913.75 × 53,493.50
  4. Step 4: Simplify right side
    91,220.06x = 6,735,567,185.63
  5. Step 5: Solve for x
    x = 6,735,567,185.63/91,220.06
  6. Step 6: Final answer
    x = 73,838.66

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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.