Home / 76,356.54-105,392.07-42,833.34

Finding the Fourth Proportional to 76,356.54, 105,392.07 and 42,833.34

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Solution

The fourth proportional to 76,356.54, 105,392.07 and 42,833.34 is: 59,121.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,356.54 : 105,392.07 = 42,833.34 : x
  2. Step 2: Convert to fraction form
    76,356.54/105,392.07 = 42,833.34/x
  3. Step 3: Cross multiply
    76,356.54x = 105,392.07 × 42,833.34
  4. Step 4: Simplify right side
    76,356.54x = 4,514,294,367.61
  5. Step 5: Solve for x
    x = 4,514,294,367.61/76,356.54
  6. Step 6: Final answer
    x = 59,121.25

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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.