Home / 105,573.33-145,687.28-57,827.07

Finding the Fourth Proportional to 105,573.33, 145,687.28 and 57,827.07

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Solution

The fourth proportional to 105,573.33, 145,687.28 and 57,827.07 is: 79,799.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,573.33 : 145,687.28 = 57,827.07 : x
  2. Step 2: Convert to fraction form
    105,573.33/145,687.28 = 57,827.07/x
  3. Step 3: Cross multiply
    105,573.33x = 145,687.28 × 57,827.07
  4. Step 4: Simplify right side
    105,573.33x = 8,424,668,249.53
  5. Step 5: Solve for x
    x = 8,424,668,249.53/105,573.33
  6. Step 6: Final answer
    x = 79,799.21

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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.