Home / 67,320.55-92,904.24-38,642.68

Finding the Fourth Proportional to 67,320.55, 92,904.24 and 38,642.68

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Solution

The fourth proportional to 67,320.55, 92,904.24 and 38,642.68 is: 53,327.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,320.55 : 92,904.24 = 38,642.68 : x
  2. Step 2: Convert to fraction form
    67,320.55/92,904.24 = 38,642.68/x
  3. Step 3: Cross multiply
    67,320.55x = 92,904.24 × 38,642.68
  4. Step 4: Simplify right side
    67,320.55x = 3,590,068,816.96
  5. Step 5: Solve for x
    x = 3,590,068,816.96/67,320.55
  6. Step 6: Final answer
    x = 53,327.98

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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.