Home / 99,326.99-148,906.45-43,124.64

Finding the Fourth Proportional to 99,326.99, 148,906.45 and 43,124.64

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Solution

The fourth proportional to 99,326.99, 148,906.45 and 43,124.64 is: 64,650.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,326.99 : 148,906.45 = 43,124.64 : x
  2. Step 2: Convert to fraction form
    99,326.99/148,906.45 = 43,124.64/x
  3. Step 3: Cross multiply
    99,326.99x = 148,906.45 × 43,124.64
  4. Step 4: Simplify right side
    99,326.99x = 6,421,536,545.43
  5. Step 5: Solve for x
    x = 6,421,536,545.43/99,326.99
  6. Step 6: Final answer
    x = 64,650.47

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1.5x scale

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.