Home / 67,189.09-92,718.61-36,971.58

Finding the Fourth Proportional to 67,189.09, 92,718.61 and 36,971.58

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Solution

The fourth proportional to 67,189.09, 92,718.61 and 36,971.58 is: 51,019.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,189.09 : 92,718.61 = 36,971.58 : x
  2. Step 2: Convert to fraction form
    67,189.09/92,718.61 = 36,971.58/x
  3. Step 3: Cross multiply
    67,189.09x = 92,718.61 × 36,971.58
  4. Step 4: Simplify right side
    67,189.09x = 3,427,953,507.10
  5. Step 5: Solve for x
    x = 3,427,953,507.10/67,189.09
  6. Step 6: Final answer
    x = 51,019.50

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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.