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Finding the Fourth Proportional to 46,700.20, 70,050.30 and 41,159.80

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Solution

The fourth proportional to 46,700.20, 70,050.30 and 41,159.80 is: 61,739.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,700.20 : 70,050.30 = 41,159.80 : x
  2. Step 2: Convert to fraction form
    46,700.20/70,050.30 = 41,159.80/x
  3. Step 3: Cross multiply
    46,700.20x = 70,050.30 × 41,159.80
  4. Step 4: Simplify right side
    46,700.20x = 2,883,256,337.94
  5. Step 5: Solve for x
    x = 2,883,256,337.94/46,700.20
  6. Step 6: Final answer
    x = 61,739.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.