Home / 104,975.13-144,862.80-57,228.47

Finding the Fourth Proportional to 104,975.13, 144,862.80 and 57,228.47

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Solution

The fourth proportional to 104,975.13, 144,862.80 and 57,228.47 is: 78,973.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,975.13 : 144,862.80 = 57,228.47 : x
  2. Step 2: Convert to fraction form
    104,975.13/144,862.80 = 57,228.47/x
  3. Step 3: Cross multiply
    104,975.13x = 144,862.80 × 57,228.47
  4. Step 4: Simplify right side
    104,975.13x = 8,290,276,008.23
  5. Step 5: Solve for x
    x = 8,290,276,008.23/104,975.13
  6. Step 6: Final answer
    x = 78,973.71

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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.