Home / 88,039.68-121,492.26-50,313.84

Finding the Fourth Proportional to 88,039.68, 121,492.26 and 50,313.84

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Solution

The fourth proportional to 88,039.68, 121,492.26 and 50,313.84 is: 69,431.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,039.68 : 121,492.26 = 50,313.84 : x
  2. Step 2: Convert to fraction form
    88,039.68/121,492.26 = 50,313.84/x
  3. Step 3: Cross multiply
    88,039.68x = 121,492.26 × 50,313.84
  4. Step 4: Simplify right side
    88,039.68x = 6,112,742,130.88
  5. Step 5: Solve for x
    x = 6,112,742,130.88/88,039.68
  6. Step 6: Final answer
    x = 69,431.67

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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.