Home / 99,506.21-149,269.77-57,385.33

Finding the Fourth Proportional to 99,506.21, 149,269.77 and 57,385.33

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Solution

The fourth proportional to 99,506.21, 149,269.77 and 57,385.33 is: 86,084.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,506.21 : 149,269.77 = 57,385.33 : x
  2. Step 2: Convert to fraction form
    99,506.21/149,269.77 = 57,385.33/x
  3. Step 3: Cross multiply
    99,506.21x = 149,269.77 × 57,385.33
  4. Step 4: Simplify right side
    99,506.21x = 8,565,894,637.30
  5. Step 5: Solve for x
    x = 8,565,894,637.30/99,506.21
  6. Step 6: Final answer
    x = 86,084.02

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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.