Home / 60,539.72-83,457.32-40,087.55

Finding the Fourth Proportional to 60,539.72, 83,457.32 and 40,087.55

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Solution

The fourth proportional to 60,539.72, 83,457.32 and 40,087.55 is: 55,262.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,539.72 : 83,457.32 = 40,087.55 : x
  2. Step 2: Convert to fraction form
    60,539.72/83,457.32 = 40,087.55/x
  3. Step 3: Cross multiply
    60,539.72x = 83,457.32 × 40,087.55
  4. Step 4: Simplify right side
    60,539.72x = 3,345,599,797.23
  5. Step 5: Solve for x
    x = 3,345,599,797.23/60,539.72
  6. Step 6: Final answer
    x = 55,262.89

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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.