Home / 105,736.10-145,877.97-60,381.38

Finding the Fourth Proportional to 105,736.10, 145,877.97 and 60,381.38

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Solution

The fourth proportional to 105,736.10, 145,877.97 and 60,381.38 is: 83,304.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,736.10 : 145,877.97 = 60,381.38 : x
  2. Step 2: Convert to fraction form
    105,736.10/145,877.97 = 60,381.38/x
  3. Step 3: Cross multiply
    105,736.10x = 145,877.97 × 60,381.38
  4. Step 4: Simplify right side
    105,736.10x = 8,808,313,140.20
  5. Step 5: Solve for x
    x = 8,808,313,140.20/105,736.10
  6. Step 6: Final answer
    x = 83,304.69

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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.