Home / 72,592.02-100,166.73-40,324.19

Finding the Fourth Proportional to 72,592.02, 100,166.73 and 40,324.19

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Solution

The fourth proportional to 72,592.02, 100,166.73 and 40,324.19 is: 55,641.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,592.02 : 100,166.73 = 40,324.19 : x
  2. Step 2: Convert to fraction form
    72,592.02/100,166.73 = 40,324.19/x
  3. Step 3: Cross multiply
    72,592.02x = 100,166.73 × 40,324.19
  4. Step 4: Simplify right side
    72,592.02x = 4,039,141,751.37
  5. Step 5: Solve for x
    x = 4,039,141,751.37/72,592.02
  6. Step 6: Final answer
    x = 55,641.68

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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.