Home / 92,718.45-139,077.68-83,533.05

Finding the Fourth Proportional to 92,718.45, 139,077.68 and 83,533.05

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Solution

The fourth proportional to 92,718.45, 139,077.68 and 83,533.05 is: 125,299.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,718.45 : 139,077.68 = 83,533.05 : x
  2. Step 2: Convert to fraction form
    92,718.45/139,077.68 = 83,533.05/x
  3. Step 3: Cross multiply
    92,718.45x = 139,077.68 × 83,533.05
  4. Step 4: Simplify right side
    92,718.45x = 11,617,582,379.66
  5. Step 5: Solve for x
    x = 11,617,582,379.66/92,718.45
  6. Step 6: Final answer
    x = 125,299.58

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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.