Home / 99,947.58-149,816.88-47,294.34

Finding the Fourth Proportional to 99,947.58, 149,816.88 and 47,294.34

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Solution

The fourth proportional to 99,947.58, 149,816.88 and 47,294.34 is: 70,892.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,947.58 : 149,816.88 = 47,294.34 : x
  2. Step 2: Convert to fraction form
    99,947.58/149,816.88 = 47,294.34/x
  3. Step 3: Cross multiply
    99,947.58x = 149,816.88 × 47,294.34
  4. Step 4: Simplify right side
    99,947.58x = 7,085,490,460.46
  5. Step 5: Solve for x
    x = 7,085,490,460.46/99,947.58
  6. Step 6: Final answer
    x = 70,892.07

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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.