Home / 104,665.60-144,437.18-56,917.92

Finding the Fourth Proportional to 104,665.60, 144,437.18 and 56,917.92

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Solution

The fourth proportional to 104,665.60, 144,437.18 and 56,917.92 is: 78,546.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,665.60 : 144,437.18 = 56,917.92 : x
  2. Step 2: Convert to fraction form
    104,665.60/144,437.18 = 56,917.92/x
  3. Step 3: Cross multiply
    104,665.60x = 144,437.18 × 56,917.92
  4. Step 4: Simplify right side
    104,665.60x = 8,221,064,113.32
  5. Step 5: Solve for x
    x = 8,221,064,113.32/104,665.60
  6. Step 6: Final answer
    x = 78,546.00

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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.