Home / 67,039.45-100,526.67-38,967.58

Finding the Fourth Proportional to 67,039.45, 100,526.67 and 38,967.58

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Solution

The fourth proportional to 67,039.45, 100,526.67 and 38,967.58 is: 58,432.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,039.45 : 100,526.67 = 38,967.58 : x
  2. Step 2: Convert to fraction form
    67,039.45/100,526.67 = 38,967.58/x
  3. Step 3: Cross multiply
    67,039.45x = 100,526.67 × 38,967.58
  4. Step 4: Simplify right side
    67,039.45x = 3,917,281,181.02
  5. Step 5: Solve for x
    x = 3,917,281,181.02/67,039.45
  6. Step 6: Final answer
    x = 58,432.48

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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.