Home / 107,940.10-161,910.15-37,810.30

Finding the Fourth Proportional to 107,940.10, 161,910.15 and 37,810.30

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Solution

The fourth proportional to 107,940.10, 161,910.15 and 37,810.30 is: 56,715.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,940.10 : 161,910.15 = 37,810.30 : x
  2. Step 2: Convert to fraction form
    107,940.10/161,910.15 = 37,810.30/x
  3. Step 3: Cross multiply
    107,940.10x = 161,910.15 × 37,810.30
  4. Step 4: Simplify right side
    107,940.10x = 6,121,871,344.55
  5. Step 5: Solve for x
    x = 6,121,871,344.55/107,940.10
  6. Step 6: Final answer
    x = 56,715.45

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1.5x scale

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.