Home / 112,295.85-168,394.14-42,125.91

Finding the Fourth Proportional to 112,295.85, 168,394.14 and 42,125.91

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Solution

The fourth proportional to 112,295.85, 168,394.14 and 42,125.91 is: 63,170.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,295.85 : 168,394.14 = 42,125.91 : x
  2. Step 2: Convert to fraction form
    112,295.85/168,394.14 = 42,125.91/x
  3. Step 3: Cross multiply
    112,295.85x = 168,394.14 × 42,125.91
  4. Step 4: Simplify right side
    112,295.85x = 7,093,756,386.17
  5. Step 5: Solve for x
    x = 7,093,756,386.17/112,295.85
  6. Step 6: Final answer
    x = 63,170.25

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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.