Home / 91,139.18-125,772.04-50,852.93

Finding the Fourth Proportional to 91,139.18, 125,772.04 and 50,852.93

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Solution

The fourth proportional to 91,139.18, 125,772.04 and 50,852.93 is: 70,177.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,139.18 : 125,772.04 = 50,852.93 : x
  2. Step 2: Convert to fraction form
    91,139.18/125,772.04 = 50,852.93/x
  3. Step 3: Cross multiply
    91,139.18x = 125,772.04 × 50,852.93
  4. Step 4: Simplify right side
    91,139.18x = 6,395,877,418.85
  5. Step 5: Solve for x
    x = 6,395,877,418.85/91,139.18
  6. Step 6: Final answer
    x = 70,177.03

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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.