Home / 123,341.95-170,211.99-66,753.37

Finding the Fourth Proportional to 123,341.95, 170,211.99 and 66,753.37

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Solution

The fourth proportional to 123,341.95, 170,211.99 and 66,753.37 is: 92,119.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,341.95 : 170,211.99 = 66,753.37 : x
  2. Step 2: Convert to fraction form
    123,341.95/170,211.99 = 66,753.37/x
  3. Step 3: Cross multiply
    123,341.95x = 170,211.99 × 66,753.37
  4. Step 4: Simplify right side
    123,341.95x = 11,362,223,946.91
  5. Step 5: Solve for x
    x = 11,362,223,946.91/123,341.95
  6. Step 6: Final answer
    x = 92,119.70

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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.