Home / 99,842.28-149,689.44-47,190.24

Finding the Fourth Proportional to 99,842.28, 149,689.44 and 47,190.24

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Solution

The fourth proportional to 99,842.28, 149,689.44 and 47,190.24 is: 70,750.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,842.28 : 149,689.44 = 47,190.24 : x
  2. Step 2: Convert to fraction form
    99,842.28/149,689.44 = 47,190.24/x
  3. Step 3: Cross multiply
    99,842.28x = 149,689.44 × 47,190.24
  4. Step 4: Simplify right side
    99,842.28x = 7,063,880,599.07
  5. Step 5: Solve for x
    x = 7,063,880,599.07/99,842.28
  6. Step 6: Final answer
    x = 70,750.39

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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.