Home / 76,537.54-105,673.35-68,446.10

Finding the Fourth Proportional to 76,537.54, 105,673.35 and 68,446.10

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Solution

The fourth proportional to 76,537.54, 105,673.35 and 68,446.10 is: 94,501.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,537.54 : 105,673.35 = 68,446.10 : x
  2. Step 2: Convert to fraction form
    76,537.54/105,673.35 = 68,446.10/x
  3. Step 3: Cross multiply
    76,537.54x = 105,673.35 × 68,446.10
  4. Step 4: Simplify right side
    76,537.54x = 7,232,928,681.44
  5. Step 5: Solve for x
    x = 7,232,928,681.44/76,537.54
  6. Step 6: Final answer
    x = 94,501.71

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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.