Home / 76,496.32-105,562.20-42,504.40

Finding the Fourth Proportional to 76,496.32, 105,562.20 and 42,504.40

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Solution

The fourth proportional to 76,496.32, 105,562.20 and 42,504.40 is: 58,654.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,496.32 : 105,562.20 = 42,504.40 : x
  2. Step 2: Convert to fraction form
    76,496.32/105,562.20 = 42,504.40/x
  3. Step 3: Cross multiply
    76,496.32x = 105,562.20 × 42,504.40
  4. Step 4: Simplify right side
    76,496.32x = 4,486,857,973.68
  5. Step 5: Solve for x
    x = 4,486,857,973.68/76,496.32
  6. Step 6: Final answer
    x = 58,654.56

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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.