Home / 124,897.58-172,362.75-68,308.95

Finding the Fourth Proportional to 124,897.58, 172,362.75 and 68,308.95

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Solution

The fourth proportional to 124,897.58, 172,362.75 and 68,308.95 is: 94,268.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,897.58 : 172,362.75 = 68,308.95 : x
  2. Step 2: Convert to fraction form
    124,897.58/172,362.75 = 68,308.95/x
  3. Step 3: Cross multiply
    124,897.58x = 172,362.75 × 68,308.95
  4. Step 4: Simplify right side
    124,897.58x = 11,773,919,246.05
  5. Step 5: Solve for x
    x = 11,773,919,246.05/124,897.58
  6. Step 6: Final answer
    x = 94,268.59

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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.