Home / 76,434.14-105,475.59-42,444.79

Finding the Fourth Proportional to 76,434.14, 105,475.59 and 42,444.79

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Solution

The fourth proportional to 76,434.14, 105,475.59 and 42,444.79 is: 58,571.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,434.14 : 105,475.59 = 42,444.79 : x
  2. Step 2: Convert to fraction form
    76,434.14/105,475.59 = 42,444.79/x
  3. Step 3: Cross multiply
    76,434.14x = 105,475.59 × 42,444.79
  4. Step 4: Simplify right side
    76,434.14x = 4,476,889,267.68
  5. Step 5: Solve for x
    x = 4,476,889,267.68/76,434.14
  6. Step 6: Final answer
    x = 58,571.85

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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.