Home / 123,587.02-170,554.08-68,396.95

Finding the Fourth Proportional to 123,587.02, 170,554.08 and 68,396.95

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Solution

The fourth proportional to 123,587.02, 170,554.08 and 68,396.95 is: 94,390.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,587.02 : 170,554.08 = 68,396.95 : x
  2. Step 2: Convert to fraction form
    123,587.02/170,554.08 = 68,396.95/x
  3. Step 3: Cross multiply
    123,587.02x = 170,554.08 × 68,396.95
  4. Step 4: Simplify right side
    123,587.02x = 11,665,378,882.06
  5. Step 5: Solve for x
    x = 11,665,378,882.06/123,587.02
  6. Step 6: Final answer
    x = 94,390.00

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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.