Home / 99,051.48-148,575.60-39,885.66

Finding the Fourth Proportional to 99,051.48, 148,575.60 and 39,885.66

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Solution

The fourth proportional to 99,051.48, 148,575.60 and 39,885.66 is: 59,827.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,051.48 : 148,575.60 = 39,885.66 : x
  2. Step 2: Convert to fraction form
    99,051.48/148,575.60 = 39,885.66/x
  3. Step 3: Cross multiply
    99,051.48x = 148,575.60 × 39,885.66
  4. Step 4: Simplify right side
    99,051.48x = 5,926,035,865.90
  5. Step 5: Solve for x
    x = 5,926,035,865.90/99,051.48
  6. Step 6: Final answer
    x = 59,827.84

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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.