Home / 104,742.49-144,542.28-56,995.96

Finding the Fourth Proportional to 104,742.49, 144,542.28 and 56,995.96

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Solution

The fourth proportional to 104,742.49, 144,542.28 and 56,995.96 is: 78,653.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,742.49 : 144,542.28 = 56,995.96 : x
  2. Step 2: Convert to fraction form
    104,742.49/144,542.28 = 56,995.96/x
  3. Step 3: Cross multiply
    104,742.49x = 144,542.28 × 56,995.96
  4. Step 4: Simplify right side
    104,742.49x = 8,238,326,009.19
  5. Step 5: Solve for x
    x = 8,238,326,009.19/104,742.49
  6. Step 6: Final answer
    x = 78,653.14

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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.