Home / 81,184.32-112,030.20-45,367.32

Finding the Fourth Proportional to 81,184.32, 112,030.20 and 45,367.32

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Solution

The fourth proportional to 81,184.32, 112,030.20 and 45,367.32 is: 62,604.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,184.32 : 112,030.20 = 45,367.32 : x
  2. Step 2: Convert to fraction form
    81,184.32/112,030.20 = 45,367.32/x
  3. Step 3: Cross multiply
    81,184.32x = 112,030.20 × 45,367.32
  4. Step 4: Simplify right side
    81,184.32x = 5,082,509,933.06
  5. Step 5: Solve for x
    x = 5,082,509,933.06/81,184.32
  6. Step 6: Final answer
    x = 62,604.58

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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.