Home / 66,275.41-91,457.32-36,060.85

Finding the Fourth Proportional to 66,275.41, 91,457.32 and 36,060.85

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Solution

The fourth proportional to 66,275.41, 91,457.32 and 36,060.85 is: 49,762.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,275.41 : 91,457.32 = 36,060.85 : x
  2. Step 2: Convert to fraction form
    66,275.41/91,457.32 = 36,060.85/x
  3. Step 3: Cross multiply
    66,275.41x = 91,457.32 × 36,060.85
  4. Step 4: Simplify right side
    66,275.41x = 3,298,028,697.92
  5. Step 5: Solve for x
    x = 3,298,028,697.92/66,275.41
  6. Step 6: Final answer
    x = 49,762.48

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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.