Home / 80,922.11-111,672.53-45,111.35

Finding the Fourth Proportional to 80,922.11, 111,672.53 and 45,111.35

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Solution

The fourth proportional to 80,922.11, 111,672.53 and 45,111.35 is: 62,253.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,922.11 : 111,672.53 = 45,111.35 : x
  2. Step 2: Convert to fraction form
    80,922.11/111,672.53 = 45,111.35/x
  3. Step 3: Cross multiply
    80,922.11x = 111,672.53 × 45,111.35
  4. Step 4: Simplify right side
    80,922.11x = 5,037,697,802.30
  5. Step 5: Solve for x
    x = 5,037,697,802.30/80,922.11
  6. Step 6: Final answer
    x = 62,253.67

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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.