Home / 104,821.74-144,657.09-57,077.10

Finding the Fourth Proportional to 104,821.74, 144,657.09 and 57,077.10

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Solution

The fourth proportional to 104,821.74, 144,657.09 and 57,077.10 is: 78,768.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,821.74 : 144,657.09 = 57,077.10 : x
  2. Step 2: Convert to fraction form
    104,821.74/144,657.09 = 57,077.10/x
  3. Step 3: Cross multiply
    104,821.74x = 144,657.09 × 57,077.10
  4. Step 4: Simplify right side
    104,821.74x = 8,256,607,191.64
  5. Step 5: Solve for x
    x = 8,256,607,191.64/104,821.74
  6. Step 6: Final answer
    x = 78,768.08

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1.5x scale

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.