Home / 123,631.65-170,611.77-67,043.01

Finding the Fourth Proportional to 123,631.65, 170,611.77 and 67,043.01

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Solution

The fourth proportional to 123,631.65, 170,611.77 and 67,043.01 is: 92,519.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,631.65 : 170,611.77 = 67,043.01 : x
  2. Step 2: Convert to fraction form
    123,631.65/170,611.77 = 67,043.01/x
  3. Step 3: Cross multiply
    123,631.65x = 170,611.77 × 67,043.01
  4. Step 4: Simplify right side
    123,631.65x = 11,438,326,602.23
  5. Step 5: Solve for x
    x = 11,438,326,602.23/123,631.65
  6. Step 6: Final answer
    x = 92,519.40

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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.