Home / 67,412.15-93,422.06-66,460.80

Finding the Fourth Proportional to 67,412.15, 93,422.06 and 66,460.80

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Solution

The fourth proportional to 67,412.15, 93,422.06 and 66,460.80 is: 92,103.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,412.15 : 93,422.06 = 66,460.80 : x
  2. Step 2: Convert to fraction form
    67,412.15/93,422.06 = 66,460.80/x
  3. Step 3: Cross multiply
    67,412.15x = 93,422.06 × 66,460.80
  4. Step 4: Simplify right side
    67,412.15x = 6,208,905,112.50
  5. Step 5: Solve for x
    x = 6,208,905,112.50/67,412.15
  6. Step 6: Final answer
    x = 92,103.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.