Home / 104,454.64-144,148.44-56,708.40

Finding the Fourth Proportional to 104,454.64, 144,148.44 and 56,708.40

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Solution

The fourth proportional to 104,454.64, 144,148.44 and 56,708.40 is: 78,258.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,454.64 : 144,148.44 = 56,708.40 : x
  2. Step 2: Convert to fraction form
    104,454.64/144,148.44 = 56,708.40/x
  3. Step 3: Cross multiply
    104,454.64x = 144,148.44 × 56,708.40
  4. Step 4: Simplify right side
    104,454.64x = 8,174,427,394.90
  5. Step 5: Solve for x
    x = 8,174,427,394.90/104,454.64
  6. Step 6: Final answer
    x = 78,258.15

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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.