Home / 76,335.44-105,337.67-42,342.57

Finding the Fourth Proportional to 76,335.44, 105,337.67 and 42,342.57

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Solution

The fourth proportional to 76,335.44, 105,337.67 and 42,342.57 is: 58,429.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,335.44 : 105,337.67 = 42,342.57 : x
  2. Step 2: Convert to fraction form
    76,335.44/105,337.67 = 42,342.57/x
  3. Step 3: Cross multiply
    76,335.44x = 105,337.67 × 42,342.57
  4. Step 4: Simplify right side
    76,335.44x = 4,460,267,453.90
  5. Step 5: Solve for x
    x = 4,460,267,453.90/76,335.44
  6. Step 6: Final answer
    x = 58,429.84

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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.