Home / 88,199.35-121,688.26-49,952.81

Finding the Fourth Proportional to 88,199.35, 121,688.26 and 49,952.81

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Solution

The fourth proportional to 88,199.35, 121,688.26 and 49,952.81 is: 68,919.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,199.35 : 121,688.26 = 49,952.81 : x
  2. Step 2: Convert to fraction form
    88,199.35/121,688.26 = 49,952.81/x
  3. Step 3: Cross multiply
    88,199.35x = 121,688.26 × 49,952.81
  4. Step 4: Simplify right side
    88,199.35x = 6,078,670,710.35
  5. Step 5: Solve for x
    x = 6,078,670,710.35/88,199.35
  6. Step 6: Final answer
    x = 68,919.68

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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.