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Finding the Fourth Proportional to 67,289.79, 92,858.70 and 37,077.91

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Solution

The fourth proportional to 67,289.79, 92,858.70 and 37,077.91 is: 51,166.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,289.79 : 92,858.70 = 37,077.91 : x
  2. Step 2: Convert to fraction form
    67,289.79/92,858.70 = 37,077.91/x
  3. Step 3: Cross multiply
    67,289.79x = 92,858.70 × 37,077.91
  4. Step 4: Simplify right side
    67,289.79x = 3,443,006,521.32
  5. Step 5: Solve for x
    x = 3,443,006,521.32/67,289.79
  6. Step 6: Final answer
    x = 51,166.85

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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.