Home / 76,029.66-104,928.56-42,040.71

Finding the Fourth Proportional to 76,029.66, 104,928.56 and 42,040.71

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Solution

The fourth proportional to 76,029.66, 104,928.56 and 42,040.71 is: 58,020.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,029.66 : 104,928.56 = 42,040.71 : x
  2. Step 2: Convert to fraction form
    76,029.66/104,928.56 = 42,040.71/x
  3. Step 3: Cross multiply
    76,029.66x = 104,928.56 × 42,040.71
  4. Step 4: Simplify right side
    76,029.66x = 4,411,270,951.47
  5. Step 5: Solve for x
    x = 4,411,270,951.47/76,029.66
  6. Step 6: Final answer
    x = 58,020.40

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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.