Home / 66,528.30-99,820.80-34,962.60

Finding the Fourth Proportional to 66,528.30, 99,820.80 and 34,962.60

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Solution

The fourth proportional to 66,528.30, 99,820.80 and 34,962.60 is: 52,458.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,528.30 : 99,820.80 = 34,962.60 : x
  2. Step 2: Convert to fraction form
    66,528.30/99,820.80 = 34,962.60/x
  3. Step 3: Cross multiply
    66,528.30x = 99,820.80 × 34,962.60
  4. Step 4: Simplify right side
    66,528.30x = 3,489,994,702.08
  5. Step 5: Solve for x
    x = 3,489,994,702.08/66,528.30
  6. Step 6: Final answer
    x = 52,458.80

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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.