Home / 66,682.20-92,030.14-38,389.08

Finding the Fourth Proportional to 66,682.20, 92,030.14 and 38,389.08

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Solution

The fourth proportional to 66,682.20, 92,030.14 and 38,389.08 is: 52,981.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,682.20 : 92,030.14 = 38,389.08 : x
  2. Step 2: Convert to fraction form
    66,682.20/92,030.14 = 38,389.08/x
  3. Step 3: Cross multiply
    66,682.20x = 92,030.14 × 38,389.08
  4. Step 4: Simplify right side
    66,682.20x = 3,532,952,406.87
  5. Step 5: Solve for x
    x = 3,532,952,406.87/66,682.20
  6. Step 6: Final answer
    x = 52,981.94

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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.