Home / 112,465.78-168,701.70-49,253.38

Finding the Fourth Proportional to 112,465.78, 168,701.70 and 49,253.38

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Solution

The fourth proportional to 112,465.78, 168,701.70 and 49,253.38 is: 73,881.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,465.78 : 168,701.70 = 49,253.38 : x
  2. Step 2: Convert to fraction form
    112,465.78/168,701.70 = 49,253.38/x
  3. Step 3: Cross multiply
    112,465.78x = 168,701.70 × 49,253.38
  4. Step 4: Simplify right side
    112,465.78x = 8,309,128,936.75
  5. Step 5: Solve for x
    x = 8,309,128,936.75/112,465.78
  6. Step 6: Final answer
    x = 73,881.40

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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.