Home / 112,154.18-154,734.48-63,751.21

Finding the Fourth Proportional to 112,154.18, 154,734.48 and 63,751.21

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Solution

The fourth proportional to 112,154.18, 154,734.48 and 63,751.21 is: 87,954.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,154.18 : 154,734.48 = 63,751.21 : x
  2. Step 2: Convert to fraction form
    112,154.18/154,734.48 = 63,751.21/x
  3. Step 3: Cross multiply
    112,154.18x = 154,734.48 × 63,751.21
  4. Step 4: Simplify right side
    112,154.18x = 9,864,509,941.88
  5. Step 5: Solve for x
    x = 9,864,509,941.88/112,154.18
  6. Step 6: Final answer
    x = 87,954.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.