Home / 123,861.10-170,925.51-67,271.26

Finding the Fourth Proportional to 123,861.10, 170,925.51 and 67,271.26

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Solution

The fourth proportional to 123,861.10, 170,925.51 and 67,271.26 is: 92,832.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,861.10 : 170,925.51 = 67,271.26 : x
  2. Step 2: Convert to fraction form
    123,861.10/170,925.51 = 67,271.26/x
  3. Step 3: Cross multiply
    123,861.10x = 170,925.51 × 67,271.26
  4. Step 4: Simplify right side
    123,861.10x = 11,498,374,423.84
  5. Step 5: Solve for x
    x = 11,498,374,423.84/123,861.10
  6. Step 6: Final answer
    x = 92,832.81

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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.