Home / 104,419.32-144,098.79-56,672.66

Finding the Fourth Proportional to 104,419.32, 144,098.79 and 56,672.66

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Solution

The fourth proportional to 104,419.32, 144,098.79 and 56,672.66 is: 78,208.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,419.32 : 144,098.79 = 56,672.66 : x
  2. Step 2: Convert to fraction form
    104,419.32/144,098.79 = 56,672.66/x
  3. Step 3: Cross multiply
    104,419.32x = 144,098.79 × 56,672.66
  4. Step 4: Simplify right side
    104,419.32x = 8,166,461,732.08
  5. Step 5: Solve for x
    x = 8,166,461,732.08/104,419.32
  6. Step 6: Final answer
    x = 78,208.34

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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.