Home / 112,905.84-169,358.76-29,806.32

Finding the Fourth Proportional to 112,905.84, 169,358.76 and 29,806.32

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Solution

The fourth proportional to 112,905.84, 169,358.76 and 29,806.32 is: 44,709.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,905.84 : 169,358.76 = 29,806.32 : x
  2. Step 2: Convert to fraction form
    112,905.84/169,358.76 = 29,806.32/x
  3. Step 3: Cross multiply
    112,905.84x = 169,358.76 × 29,806.32
  4. Step 4: Simplify right side
    112,905.84x = 5,047,961,395.36
  5. Step 5: Solve for x
    x = 5,047,961,395.36/112,905.84
  6. Step 6: Final answer
    x = 44,709.48

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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.