Home / 107,808.53-148,777.40-61,875.54

Finding the Fourth Proportional to 107,808.53, 148,777.40 and 61,875.54

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Solution

The fourth proportional to 107,808.53, 148,777.40 and 61,875.54 is: 85,389.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,808.53 : 148,777.40 = 61,875.54 : x
  2. Step 2: Convert to fraction form
    107,808.53/148,777.40 = 61,875.54/x
  3. Step 3: Cross multiply
    107,808.53x = 148,777.40 × 61,875.54
  4. Step 4: Simplify right side
    107,808.53x = 9,205,682,119.48
  5. Step 5: Solve for x
    x = 9,205,682,119.48/107,808.53
  6. Step 6: Final answer
    x = 85,389.19

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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.