Home / 123,849.98-170,914.95-67,261.35

Finding the Fourth Proportional to 123,849.98, 170,914.95 and 67,261.35

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Solution

The fourth proportional to 123,849.98, 170,914.95 and 67,261.35 is: 92,821.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,849.98 : 170,914.95 = 67,261.35 : x
  2. Step 2: Convert to fraction form
    123,849.98/170,914.95 = 67,261.35/x
  3. Step 3: Cross multiply
    123,849.98x = 170,914.95 × 67,261.35
  4. Step 4: Simplify right side
    123,849.98x = 11,495,970,272.18
  5. Step 5: Solve for x
    x = 11,495,970,272.18/123,849.98
  6. Step 6: Final answer
    x = 92,821.74

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1.5x scale

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.