Home / 67,480.12-93,147.42-40,623.88

Finding the Fourth Proportional to 67,480.12, 93,147.42 and 40,623.88

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Solution

The fourth proportional to 67,480.12, 93,147.42 and 40,623.88 is: 56,075.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,480.12 : 93,147.42 = 40,623.88 : x
  2. Step 2: Convert to fraction form
    67,480.12/93,147.42 = 40,623.88/x
  3. Step 3: Cross multiply
    67,480.12x = 93,147.42 × 40,623.88
  4. Step 4: Simplify right side
    67,480.12x = 3,784,009,612.39
  5. Step 5: Solve for x
    x = 3,784,009,612.39/67,480.12
  6. Step 6: Final answer
    x = 56,075.92

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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.