Home / 89,920.86-124,090.10-49,634.62

Finding the Fourth Proportional to 89,920.86, 124,090.10 and 49,634.62

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Solution

The fourth proportional to 89,920.86, 124,090.10 and 49,634.62 is: 68,495.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,920.86 : 124,090.10 = 49,634.62 : x
  2. Step 2: Convert to fraction form
    89,920.86/124,090.10 = 49,634.62/x
  3. Step 3: Cross multiply
    89,920.86x = 124,090.10 × 49,634.62
  4. Step 4: Simplify right side
    89,920.86x = 6,159,164,773.12
  5. Step 5: Solve for x
    x = 6,159,164,773.12/89,920.86
  6. Step 6: Final answer
    x = 68,495.39

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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.