Home / 107,704.13-148,635.11-67,405.01

Finding the Fourth Proportional to 107,704.13, 148,635.11 and 67,405.01

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Solution

The fourth proportional to 107,704.13, 148,635.11 and 67,405.01 is: 93,021.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,704.13 : 148,635.11 = 67,405.01 : x
  2. Step 2: Convert to fraction form
    107,704.13/148,635.11 = 67,405.01/x
  3. Step 3: Cross multiply
    107,704.13x = 148,635.11 × 67,405.01
  4. Step 4: Simplify right side
    107,704.13x = 10,018,750,501.24
  5. Step 5: Solve for x
    x = 10,018,750,501.24/107,704.13
  6. Step 6: Final answer
    x = 93,021.05

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1.5x scale

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.