Home / 76,299.58-105,293.65-42,310.46

Finding the Fourth Proportional to 76,299.58, 105,293.65 and 42,310.46

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Solution

The fourth proportional to 76,299.58, 105,293.65 and 42,310.46 is: 58,388.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,299.58 : 105,293.65 = 42,310.46 : x
  2. Step 2: Convert to fraction form
    76,299.58/105,293.65 = 42,310.46/x
  3. Step 3: Cross multiply
    76,299.58x = 105,293.65 × 42,310.46
  4. Step 4: Simplify right side
    76,299.58x = 4,455,022,924.04
  5. Step 5: Solve for x
    x = 4,455,022,924.04/76,299.58
  6. Step 6: Final answer
    x = 58,388.57

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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.