Home / 99,837.75-149,828.88-39,056.98

Finding the Fourth Proportional to 99,837.75, 149,828.88 and 39,056.98

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Solution

The fourth proportional to 99,837.75, 149,828.88 and 39,056.98 is: 58,613.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,837.75 : 149,828.88 = 39,056.98 : x
  2. Step 2: Convert to fraction form
    99,837.75/149,828.88 = 39,056.98/x
  3. Step 3: Cross multiply
    99,837.75x = 149,828.88 × 39,056.98
  4. Step 4: Simplify right side
    99,837.75x = 5,851,863,374.30
  5. Step 5: Solve for x
    x = 5,851,863,374.30/99,837.75
  6. Step 6: Final answer
    x = 58,613.74

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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.