Home / 99,407.28-149,147.52-46,124.76

Finding the Fourth Proportional to 99,407.28, 149,147.52 and 46,124.76

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Solution

The fourth proportional to 99,407.28, 149,147.52 and 46,124.76 is: 69,204.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,407.28 : 149,147.52 = 46,124.76 : x
  2. Step 2: Convert to fraction form
    99,407.28/149,147.52 = 46,124.76/x
  3. Step 3: Cross multiply
    99,407.28x = 149,147.52 × 46,124.76
  4. Step 4: Simplify right side
    99,407.28x = 6,879,393,564.60
  5. Step 5: Solve for x
    x = 6,879,393,564.60/99,407.28
  6. Step 6: Final answer
    x = 69,204.12

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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.