Home / 67,525.12-93,176.64-40,667.20

Finding the Fourth Proportional to 67,525.12, 93,176.64 and 40,667.20

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Solution

The fourth proportional to 67,525.12, 93,176.64 and 40,667.20 is: 56,115.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,525.12 : 93,176.64 = 40,667.20 : x
  2. Step 2: Convert to fraction form
    67,525.12/93,176.64 = 40,667.20/x
  3. Step 3: Cross multiply
    67,525.12x = 93,176.64 × 40,667.20
  4. Step 4: Simplify right side
    67,525.12x = 3,789,233,054.21
  5. Step 5: Solve for x
    x = 3,789,233,054.21/67,525.12
  6. Step 6: Final answer
    x = 56,115.90

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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.