Home / 66,012.12-91,072.35-45,592.83

Finding the Fourth Proportional to 66,012.12, 91,072.35 and 45,592.83

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Solution

The fourth proportional to 66,012.12, 91,072.35 and 45,592.83 is: 62,901.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,012.12 : 91,072.35 = 45,592.83 : x
  2. Step 2: Convert to fraction form
    66,012.12/91,072.35 = 45,592.83/x
  3. Step 3: Cross multiply
    66,012.12x = 91,072.35 × 45,592.83
  4. Step 4: Simplify right side
    66,012.12x = 4,152,246,171.25
  5. Step 5: Solve for x
    x = 4,152,246,171.25/66,012.12
  6. Step 6: Final answer
    x = 62,901.27

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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.