Home / 74,422.44-102,702.54-40,430.65

Finding the Fourth Proportional to 74,422.44, 102,702.54 and 40,430.65

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Solution

The fourth proportional to 74,422.44, 102,702.54 and 40,430.65 is: 55,794.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,422.44 : 102,702.54 = 40,430.65 : x
  2. Step 2: Convert to fraction form
    74,422.44/102,702.54 = 40,430.65/x
  3. Step 3: Cross multiply
    74,422.44x = 102,702.54 × 40,430.65
  4. Step 4: Simplify right side
    74,422.44x = 4,152,330,448.85
  5. Step 5: Solve for x
    x = 4,152,330,448.85/74,422.44
  6. Step 6: Final answer
    x = 55,794.06

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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.