Home / 104,597.72-144,345.80-56,851.20

Finding the Fourth Proportional to 104,597.72, 144,345.80 and 56,851.20

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Solution

The fourth proportional to 104,597.72, 144,345.80 and 56,851.20 is: 78,455.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,597.72 : 144,345.80 = 56,851.20 : x
  2. Step 2: Convert to fraction form
    104,597.72/144,345.80 = 56,851.20/x
  3. Step 3: Cross multiply
    104,597.72x = 144,345.80 × 56,851.20
  4. Step 4: Simplify right side
    104,597.72x = 8,206,231,944.96
  5. Step 5: Solve for x
    x = 8,206,231,944.96/104,597.72
  6. Step 6: Final answer
    x = 78,455.17

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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.