Home / 76,283.94-105,274.33-42,295.59

Finding the Fourth Proportional to 76,283.94, 105,274.33 and 42,295.59

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Solution

The fourth proportional to 76,283.94, 105,274.33 and 42,295.59 is: 58,369.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,283.94 : 105,274.33 = 42,295.59 : x
  2. Step 2: Convert to fraction form
    76,283.94/105,274.33 = 42,295.59/x
  3. Step 3: Cross multiply
    76,283.94x = 105,274.33 × 42,295.59
  4. Step 4: Simplify right side
    76,283.94x = 4,452,640,327.46
  5. Step 5: Solve for x
    x = 4,452,640,327.46/76,283.94
  6. Step 6: Final answer
    x = 58,369.30

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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.