Home / 107,674.88-161,407.40-51,500.32

Finding the Fourth Proportional to 107,674.88, 161,407.40 and 51,500.32

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Solution

The fourth proportional to 107,674.88, 161,407.40 and 51,500.32 is: 77,200.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,674.88 : 161,407.40 = 51,500.32 : x
  2. Step 2: Convert to fraction form
    107,674.88/161,407.40 = 51,500.32/x
  3. Step 3: Cross multiply
    107,674.88x = 161,407.40 × 51,500.32
  4. Step 4: Simplify right side
    107,674.88x = 8,312,532,750.37
  5. Step 5: Solve for x
    x = 8,312,532,750.37/107,674.88
  6. Step 6: Final answer
    x = 77,200.30

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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.