Home / 76,262.76-105,246.79-42,275.27

Finding the Fourth Proportional to 76,262.76, 105,246.79 and 42,275.27

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Solution

The fourth proportional to 76,262.76, 105,246.79 and 42,275.27 is: 58,342.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,262.76 : 105,246.79 = 42,275.27 : x
  2. Step 2: Convert to fraction form
    76,262.76/105,246.79 = 42,275.27/x
  3. Step 3: Cross multiply
    76,262.76x = 105,246.79 × 42,275.27
  4. Step 4: Simplify right side
    76,262.76x = 4,449,336,621.31
  5. Step 5: Solve for x
    x = 4,449,336,621.31/76,262.76
  6. Step 6: Final answer
    x = 58,342.19

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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.