Home / 99,468.92-149,208.34-28,402.10

Finding the Fourth Proportional to 99,468.92, 149,208.34 and 28,402.10

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Solution

The fourth proportional to 99,468.92, 149,208.34 and 28,402.10 is: 42,604.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,468.92 : 149,208.34 = 28,402.10 : x
  2. Step 2: Convert to fraction form
    99,468.92/149,208.34 = 28,402.10/x
  3. Step 3: Cross multiply
    99,468.92x = 149,208.34 × 28,402.10
  4. Step 4: Simplify right side
    99,468.92x = 4,237,830,193.51
  5. Step 5: Solve for x
    x = 4,237,830,193.51/99,468.92
  6. Step 6: Final answer
    x = 42,604.57

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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.