Home / 66,530.30-99,823.80-34,964.60

Finding the Fourth Proportional to 66,530.30, 99,823.80 and 34,964.60

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Solution

The fourth proportional to 66,530.30, 99,823.80 and 34,964.60 is: 52,461.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,530.30 : 99,823.80 = 34,964.60 : x
  2. Step 2: Convert to fraction form
    66,530.30/99,823.80 = 34,964.60/x
  3. Step 3: Cross multiply
    66,530.30x = 99,823.80 × 34,964.60
  4. Step 4: Simplify right side
    66,530.30x = 3,490,299,237.48
  5. Step 5: Solve for x
    x = 3,490,299,237.48/66,530.30
  6. Step 6: Final answer
    x = 52,461.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.