Home / 67,332.93-100,968.34-19,931.07

Finding the Fourth Proportional to 67,332.93, 100,968.34 and 19,931.07

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Solution

The fourth proportional to 67,332.93, 100,968.34 and 19,931.07 is: 29,887.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,332.93 : 100,968.34 = 19,931.07 : x
  2. Step 2: Convert to fraction form
    67,332.93/100,968.34 = 19,931.07/x
  3. Step 3: Cross multiply
    67,332.93x = 100,968.34 × 19,931.07
  4. Step 4: Simplify right side
    67,332.93x = 2,012,407,052.32
  5. Step 5: Solve for x
    x = 2,012,407,052.32/67,332.93
  6. Step 6: Final answer
    x = 29,887.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.