Home / 112,477.28-168,718.95-49,264.88

Finding the Fourth Proportional to 112,477.28, 168,718.95 and 49,264.88

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Solution

The fourth proportional to 112,477.28, 168,718.95 and 49,264.88 is: 73,898.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,477.28 : 168,718.95 = 49,264.88 : x
  2. Step 2: Convert to fraction form
    112,477.28/168,718.95 = 49,264.88/x
  3. Step 3: Cross multiply
    112,477.28x = 168,718.95 × 49,264.88
  4. Step 4: Simplify right side
    112,477.28x = 8,311,917,981.88
  5. Step 5: Solve for x
    x = 8,311,917,981.88/112,477.28
  6. Step 6: Final answer
    x = 73,898.64

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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.