Home / 98,566.40-136,015.26-56,124.56

Finding the Fourth Proportional to 98,566.40, 136,015.26 and 56,124.56

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Solution

The fourth proportional to 98,566.40, 136,015.26 and 56,124.56 is: 77,448.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,566.40 : 136,015.26 = 56,124.56 : x
  2. Step 2: Convert to fraction form
    98,566.40/136,015.26 = 56,124.56/x
  3. Step 3: Cross multiply
    98,566.40x = 136,015.26 × 56,124.56
  4. Step 4: Simplify right side
    98,566.40x = 7,633,796,620.79
  5. Step 5: Solve for x
    x = 7,633,796,620.79/98,566.40
  6. Step 6: Final answer
    x = 77,448.26

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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.