Home / 107,742.85-148,683.70-59,343.84

Finding the Fourth Proportional to 107,742.85, 148,683.70 and 59,343.84

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Solution

The fourth proportional to 107,742.85, 148,683.70 and 59,343.84 is: 81,893.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,742.85 : 148,683.70 = 59,343.84 : x
  2. Step 2: Convert to fraction form
    107,742.85/148,683.70 = 59,343.84/x
  3. Step 3: Cross multiply
    107,742.85x = 148,683.70 × 59,343.84
  4. Step 4: Simplify right side
    107,742.85x = 8,823,461,703.41
  5. Step 5: Solve for x
    x = 8,823,461,703.41/107,742.85
  6. Step 6: Final answer
    x = 81,893.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.