Home / 92,379.24-127,483.45-49,937.78

Finding the Fourth Proportional to 92,379.24, 127,483.45 and 49,937.78

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Solution

The fourth proportional to 92,379.24, 127,483.45 and 49,937.78 is: 68,914.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,379.24 : 127,483.45 = 49,937.78 : x
  2. Step 2: Convert to fraction form
    92,379.24/127,483.45 = 49,937.78/x
  3. Step 3: Cross multiply
    92,379.24x = 127,483.45 × 49,937.78
  4. Step 4: Simplify right side
    92,379.24x = 6,366,240,479.74
  5. Step 5: Solve for x
    x = 6,366,240,479.74/92,379.24
  6. Step 6: Final answer
    x = 68,914.19

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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.