Home / 72,193.49-99,621.95-41,976.67

Finding the Fourth Proportional to 72,193.49, 99,621.95 and 41,976.67

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Solution

The fourth proportional to 72,193.49, 99,621.95 and 41,976.67 is: 57,924.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,193.49 : 99,621.95 = 41,976.67 : x
  2. Step 2: Convert to fraction form
    72,193.49/99,621.95 = 41,976.67/x
  3. Step 3: Cross multiply
    72,193.49x = 99,621.95 × 41,976.67
  4. Step 4: Simplify right side
    72,193.49x = 4,181,797,719.91
  5. Step 5: Solve for x
    x = 4,181,797,719.91/72,193.49
  6. Step 6: Final answer
    x = 57,924.86

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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.