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Finding the Fourth Proportional to 69,480.60, 95,846.25 and 42,265.01

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Solution

The fourth proportional to 69,480.60, 95,846.25 and 42,265.01 is: 58,303.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,480.60 : 95,846.25 = 42,265.01 : x
  2. Step 2: Convert to fraction form
    69,480.60/95,846.25 = 42,265.01/x
  3. Step 3: Cross multiply
    69,480.60x = 95,846.25 × 42,265.01
  4. Step 4: Simplify right side
    69,480.60x = 4,050,942,714.71
  5. Step 5: Solve for x
    x = 4,050,942,714.71/69,480.60
  6. Step 6: Final answer
    x = 58,303.22

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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.