Home / 105,569.26-145,685.60-57,824.32

Finding the Fourth Proportional to 105,569.26, 145,685.60 and 57,824.32

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Solution

The fourth proportional to 105,569.26, 145,685.60 and 57,824.32 is: 79,797.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,569.26 : 145,685.60 = 57,824.32 : x
  2. Step 2: Convert to fraction form
    105,569.26/145,685.60 = 57,824.32/x
  3. Step 3: Cross multiply
    105,569.26x = 145,685.60 × 57,824.32
  4. Step 4: Simplify right side
    105,569.26x = 8,424,170,466.90
  5. Step 5: Solve for x
    x = 8,424,170,466.90/105,569.26
  6. Step 6: Final answer
    x = 79,797.57

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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.