Home / 112,986.06-169,480.08-28,746.30

Finding the Fourth Proportional to 112,986.06, 169,480.08 and 28,746.30

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Solution

The fourth proportional to 112,986.06, 169,480.08 and 28,746.30 is: 43,119.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,986.06 : 169,480.08 = 28,746.30 : x
  2. Step 2: Convert to fraction form
    112,986.06/169,480.08 = 28,746.30/x
  3. Step 3: Cross multiply
    112,986.06x = 169,480.08 × 28,746.30
  4. Step 4: Simplify right side
    112,986.06x = 4,871,925,223.70
  5. Step 5: Solve for x
    x = 4,871,925,223.70/112,986.06
  6. Step 6: Final answer
    x = 43,119.70

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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.