Home / 124,897.50-172,359.18-68,308.74

Finding the Fourth Proportional to 124,897.50, 172,359.18 and 68,308.74

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Solution

The fourth proportional to 124,897.50, 172,359.18 and 68,308.74 is: 94,266.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,897.50 : 172,359.18 = 68,308.74 : x
  2. Step 2: Convert to fraction form
    124,897.50/172,359.18 = 68,308.74/x
  3. Step 3: Cross multiply
    124,897.50x = 172,359.18 × 68,308.74
  4. Step 4: Simplify right side
    124,897.50x = 11,773,638,413.23
  5. Step 5: Solve for x
    x = 11,773,638,413.23/124,897.50
  6. Step 6: Final answer
    x = 94,266.41

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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.