Home / 105,227.16-145,261.28-67,039.07

Finding the Fourth Proportional to 105,227.16, 145,261.28 and 67,039.07

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Solution

The fourth proportional to 105,227.16, 145,261.28 and 67,039.07 is: 92,544.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,227.16 : 145,261.28 = 67,039.07 : x
  2. Step 2: Convert to fraction form
    105,227.16/145,261.28 = 67,039.07/x
  3. Step 3: Cross multiply
    105,227.16x = 145,261.28 × 67,039.07
  4. Step 4: Simplify right side
    105,227.16x = 9,738,180,056.71
  5. Step 5: Solve for x
    x = 9,738,180,056.71/105,227.16
  6. Step 6: Final answer
    x = 92,544.36

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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.