Home / 112,712.08-169,061.40-33,827.76

Finding the Fourth Proportional to 112,712.08, 169,061.40 and 33,827.76

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Solution

The fourth proportional to 112,712.08, 169,061.40 and 33,827.76 is: 50,739.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,712.08 : 169,061.40 = 33,827.76 : x
  2. Step 2: Convert to fraction form
    112,712.08/169,061.40 = 33,827.76/x
  3. Step 3: Cross multiply
    112,712.08x = 169,061.40 × 33,827.76
  4. Step 4: Simplify right side
    112,712.08x = 5,718,968,464.46
  5. Step 5: Solve for x
    x = 5,718,968,464.46/112,712.08
  6. Step 6: Final answer
    x = 50,739.62

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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.