Home / 66,885.99-92,310.36-38,210.19

Finding the Fourth Proportional to 66,885.99, 92,310.36 and 38,210.19

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Solution

The fourth proportional to 66,885.99, 92,310.36 and 38,210.19 is: 52,734.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,885.99 : 92,310.36 = 38,210.19 : x
  2. Step 2: Convert to fraction form
    66,885.99/92,310.36 = 38,210.19/x
  3. Step 3: Cross multiply
    66,885.99x = 92,310.36 × 38,210.19
  4. Step 4: Simplify right side
    66,885.99x = 3,527,196,394.57
  5. Step 5: Solve for x
    x = 3,527,196,394.57/66,885.99
  6. Step 6: Final answer
    x = 52,734.46

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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.