Home / 45,716.64-68,385.24-42,917.28

Finding the Fourth Proportional to 45,716.64, 68,385.24 and 42,917.28

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Solution

The fourth proportional to 45,716.64, 68,385.24 and 42,917.28 is: 64,197.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,716.64 : 68,385.24 = 42,917.28 : x
  2. Step 2: Convert to fraction form
    45,716.64/68,385.24 = 42,917.28/x
  3. Step 3: Cross multiply
    45,716.64x = 68,385.24 × 42,917.28
  4. Step 4: Simplify right side
    45,716.64x = 2,934,908,492.95
  5. Step 5: Solve for x
    x = 2,934,908,492.95/45,716.64
  6. Step 6: Final answer
    x = 64,197.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.