Home / 66,679.11-92,014.23-38,004.99

Finding the Fourth Proportional to 66,679.11, 92,014.23 and 38,004.99

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Solution

The fourth proportional to 66,679.11, 92,014.23 and 38,004.99 is: 52,445.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,679.11 : 92,014.23 = 38,004.99 : x
  2. Step 2: Convert to fraction form
    66,679.11/92,014.23 = 38,004.99/x
  3. Step 3: Cross multiply
    66,679.11x = 92,014.23 × 38,004.99
  4. Step 4: Simplify right side
    66,679.11x = 3,496,999,688.47
  5. Step 5: Solve for x
    x = 3,496,999,688.47/66,679.11
  6. Step 6: Final answer
    x = 52,445.21

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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.