Home / 123,492.10-170,419.27-66,903.48

Finding the Fourth Proportional to 123,492.10, 170,419.27 and 66,903.48

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Solution

The fourth proportional to 123,492.10, 170,419.27 and 66,903.48 is: 92,326.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,492.10 : 170,419.27 = 66,903.48 : x
  2. Step 2: Convert to fraction form
    123,492.10/170,419.27 = 66,903.48/x
  3. Step 3: Cross multiply
    123,492.10x = 170,419.27 × 66,903.48
  4. Step 4: Simplify right side
    123,492.10x = 11,401,642,222.06
  5. Step 5: Solve for x
    x = 11,401,642,222.06/123,492.10
  6. Step 6: Final answer
    x = 92,326.90

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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.