Home / 66,326.76-91,537.38-49,530.60

Finding the Fourth Proportional to 66,326.76, 91,537.38 and 49,530.60

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Solution

The fourth proportional to 66,326.76, 91,537.38 and 49,530.60 is: 68,357.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,326.76 : 91,537.38 = 49,530.60 : x
  2. Step 2: Convert to fraction form
    66,326.76/91,537.38 = 49,530.60/x
  3. Step 3: Cross multiply
    66,326.76x = 91,537.38 × 49,530.60
  4. Step 4: Simplify right side
    66,326.76x = 4,533,901,353.83
  5. Step 5: Solve for x
    x = 4,533,901,353.83/66,326.76
  6. Step 6: Final answer
    x = 68,357.05

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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.