Home / 67,342.72-92,830.08-43,438.80

Finding the Fourth Proportional to 67,342.72, 92,830.08 and 43,438.80

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Solution

The fourth proportional to 67,342.72, 92,830.08 and 43,438.80 is: 59,879.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,342.72 : 92,830.08 = 43,438.80 : x
  2. Step 2: Convert to fraction form
    67,342.72/92,830.08 = 43,438.80/x
  3. Step 3: Cross multiply
    67,342.72x = 92,830.08 × 43,438.80
  4. Step 4: Simplify right side
    67,342.72x = 4,032,427,279.10
  5. Step 5: Solve for x
    x = 4,032,427,279.10/67,342.72
  6. Step 6: Final answer
    x = 59,879.19

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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.