Home / 92,715.92-138,980.09-36,534.18

Finding the Fourth Proportional to 92,715.92, 138,980.09 and 36,534.18

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Solution

The fourth proportional to 92,715.92, 138,980.09 and 36,534.18 is: 54,764.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,715.92 : 138,980.09 = 36,534.18 : x
  2. Step 2: Convert to fraction form
    92,715.92/138,980.09 = 36,534.18/x
  3. Step 3: Cross multiply
    92,715.92x = 138,980.09 × 36,534.18
  4. Step 4: Simplify right side
    92,715.92x = 5,077,523,441.81
  5. Step 5: Solve for x
    x = 5,077,523,441.81/92,715.92
  6. Step 6: Final answer
    x = 54,764.31

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1.5x scale

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.