Home / 76,335.06-105,344.08-42,342.44

Finding the Fourth Proportional to 76,335.06, 105,344.08 and 42,342.44

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Solution

The fourth proportional to 76,335.06, 105,344.08 and 42,342.44 is: 58,433.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,335.06 : 105,344.08 = 42,342.44 : x
  2. Step 2: Convert to fraction form
    76,335.06/105,344.08 = 42,342.44/x
  3. Step 3: Cross multiply
    76,335.06x = 105,344.08 × 42,342.44
  4. Step 4: Simplify right side
    76,335.06x = 4,460,525,491.33
  5. Step 5: Solve for x
    x = 4,460,525,491.33/76,335.06
  6. Step 6: Final answer
    x = 58,433.51

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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.