Home / 91,214.98-125,875.47-50,929.42

Finding the Fourth Proportional to 91,214.98, 125,875.47 and 50,929.42

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Solution

The fourth proportional to 91,214.98, 125,875.47 and 50,929.42 is: 70,281.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,214.98 : 125,875.47 = 50,929.42 : x
  2. Step 2: Convert to fraction form
    91,214.98/125,875.47 = 50,929.42/x
  3. Step 3: Cross multiply
    91,214.98x = 125,875.47 × 50,929.42
  4. Step 4: Simplify right side
    91,214.98x = 6,410,764,679.33
  5. Step 5: Solve for x
    x = 6,410,764,679.33/91,214.98
  6. Step 6: Final answer
    x = 70,281.93

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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.