Home / 57,116.77-78,856.92-36,707.11

Finding the Fourth Proportional to 57,116.77, 78,856.92 and 36,707.11

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Solution

The fourth proportional to 57,116.77, 78,856.92 and 36,707.11 is: 50,678.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,116.77 : 78,856.92 = 36,707.11 : x
  2. Step 2: Convert to fraction form
    57,116.77/78,856.92 = 36,707.11/x
  3. Step 3: Cross multiply
    57,116.77x = 78,856.92 × 36,707.11
  4. Step 4: Simplify right side
    57,116.77x = 2,894,609,636.70
  5. Step 5: Solve for x
    x = 2,894,609,636.70/57,116.77
  6. Step 6: Final answer
    x = 50,678.80

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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.