Home / 105,572.28-145,672.38-60,250.35

Finding the Fourth Proportional to 105,572.28, 145,672.38 and 60,250.35

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Solution

The fourth proportional to 105,572.28, 145,672.38 and 60,250.35 is: 83,135.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,572.28 : 145,672.38 = 60,250.35 : x
  2. Step 2: Convert to fraction form
    105,572.28/145,672.38 = 60,250.35/x
  3. Step 3: Cross multiply
    105,572.28x = 145,672.38 × 60,250.35
  4. Step 4: Simplify right side
    105,572.28x = 8,776,811,880.33
  5. Step 5: Solve for x
    x = 8,776,811,880.33/105,572.28
  6. Step 6: Final answer
    x = 83,135.57

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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.