Home / 123,606.02-170,565.80-69,883.58

Finding the Fourth Proportional to 123,606.02, 170,565.80 and 69,883.58

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Solution

The fourth proportional to 123,606.02, 170,565.80 and 69,883.58 is: 96,433.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,606.02 : 170,565.80 = 69,883.58 : x
  2. Step 2: Convert to fraction form
    123,606.02/170,565.80 = 69,883.58/x
  3. Step 3: Cross multiply
    123,606.02x = 170,565.80 × 69,883.58
  4. Step 4: Simplify right side
    123,606.02x = 11,919,748,729.56
  5. Step 5: Solve for x
    x = 11,919,748,729.56/123,606.02
  6. Step 6: Final answer
    x = 96,433.40

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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.