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Finding the Fourth Proportional to 69,761.93, 96,270.32 and 37,931.63

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Solution

The fourth proportional to 69,761.93, 96,270.32 and 37,931.63 is: 52,345.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,761.93 : 96,270.32 = 37,931.63 : x
  2. Step 2: Convert to fraction form
    69,761.93/96,270.32 = 37,931.63/x
  3. Step 3: Cross multiply
    69,761.93x = 96,270.32 × 37,931.63
  4. Step 4: Simplify right side
    69,761.93x = 3,651,689,771.70
  5. Step 5: Solve for x
    x = 3,651,689,771.70/69,761.93
  6. Step 6: Final answer
    x = 52,345.03

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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.