Home / 99,961.83-149,838.26-47,308.59

Finding the Fourth Proportional to 99,961.83, 149,838.26 and 47,308.59

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Solution

The fourth proportional to 99,961.83, 149,838.26 and 47,308.59 is: 70,913.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,961.83 : 149,838.26 = 47,308.59 : x
  2. Step 2: Convert to fraction form
    99,961.83/149,838.26 = 47,308.59/x
  3. Step 3: Cross multiply
    99,961.83x = 149,838.26 × 47,308.59
  4. Step 4: Simplify right side
    99,961.83x = 7,088,636,572.11
  5. Step 5: Solve for x
    x = 7,088,636,572.11/99,961.83
  6. Step 6: Final answer
    x = 70,913.43

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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.