Home / 81,492.12-112,458.98-45,682.12

Finding the Fourth Proportional to 81,492.12, 112,458.98 and 45,682.12

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Solution

The fourth proportional to 81,492.12, 112,458.98 and 45,682.12 is: 63,041.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,492.12 : 112,458.98 = 45,682.12 : x
  2. Step 2: Convert to fraction form
    81,492.12/112,458.98 = 45,682.12/x
  3. Step 3: Cross multiply
    81,492.12x = 112,458.98 × 45,682.12
  4. Step 4: Simplify right side
    81,492.12x = 5,137,364,619.44
  5. Step 5: Solve for x
    x = 5,137,364,619.44/81,492.12
  6. Step 6: Final answer
    x = 63,041.24

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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.