Home / 104,661.06-144,435-56,917.20

Finding the Fourth Proportional to 104,661.06, 144,435 and 56,917.20

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Solution

The fourth proportional to 104,661.06, 144,435 and 56,917.20 is: 78,547.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,661.06 : 144,435 = 56,917.20 : x
  2. Step 2: Convert to fraction form
    104,661.06/144,435 = 56,917.20/x
  3. Step 3: Cross multiply
    104,661.06x = 144,435 × 56,917.20
  4. Step 4: Simplify right side
    104,661.06x = 8,220,835,782
  5. Step 5: Solve for x
    x = 8,220,835,782/104,661.06
  6. Step 6: Final answer
    x = 78,547.22

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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.