Home / 99,606.57-149,328.44-46,331.77

Finding the Fourth Proportional to 99,606.57, 149,328.44 and 46,331.77

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Solution

The fourth proportional to 99,606.57, 149,328.44 and 46,331.77 is: 69,459.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,606.57 : 149,328.44 = 46,331.77 : x
  2. Step 2: Convert to fraction form
    99,606.57/149,328.44 = 46,331.77/x
  3. Step 3: Cross multiply
    99,606.57x = 149,328.44 × 46,331.77
  4. Step 4: Simplify right side
    99,606.57x = 6,918,650,485.93
  5. Step 5: Solve for x
    x = 6,918,650,485.93/99,606.57
  6. Step 6: Final answer
    x = 69,459.78

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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.