Home / 67,740.72-93,485.45-40,882.74

Finding the Fourth Proportional to 67,740.72, 93,485.45 and 40,882.74

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Solution

The fourth proportional to 67,740.72, 93,485.45 and 40,882.74 is: 56,420.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,740.72 : 93,485.45 = 40,882.74 : x
  2. Step 2: Convert to fraction form
    67,740.72/93,485.45 = 40,882.74/x
  3. Step 3: Cross multiply
    67,740.72x = 93,485.45 × 40,882.74
  4. Step 4: Simplify right side
    67,740.72x = 3,821,941,346.13
  5. Step 5: Solve for x
    x = 3,821,941,346.13/67,740.72
  6. Step 6: Final answer
    x = 56,420.15

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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.