Home / 89,920.90-124,090.84-49,634.67

Finding the Fourth Proportional to 89,920.90, 124,090.84 and 49,634.67

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Solution

The fourth proportional to 89,920.90, 124,090.84 and 49,634.67 is: 68,495.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,920.90 : 124,090.84 = 49,634.67 : x
  2. Step 2: Convert to fraction form
    89,920.90/124,090.84 = 49,634.67/x
  3. Step 3: Cross multiply
    89,920.90x = 124,090.84 × 49,634.67
  4. Step 4: Simplify right side
    89,920.90x = 6,159,207,893.42
  5. Step 5: Solve for x
    x = 6,159,207,893.42/89,920.90
  6. Step 6: Final answer
    x = 68,495.84

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1.5x scale

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.