Home / 112,492.90-168,742.38-49,280.50

Finding the Fourth Proportional to 112,492.90, 168,742.38 and 49,280.50

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Solution

The fourth proportional to 112,492.90, 168,742.38 and 49,280.50 is: 73,922.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,492.90 : 168,742.38 = 49,280.50 : x
  2. Step 2: Convert to fraction form
    112,492.90/168,742.38 = 49,280.50/x
  3. Step 3: Cross multiply
    112,492.90x = 168,742.38 × 49,280.50
  4. Step 4: Simplify right side
    112,492.90x = 8,315,708,857.59
  5. Step 5: Solve for x
    x = 8,315,708,857.59/112,492.90
  6. Step 6: Final answer
    x = 73,922.08

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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.