Home / 66,712.02-92,073.96-38,434.14

Finding the Fourth Proportional to 66,712.02, 92,073.96 and 38,434.14

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Solution

The fourth proportional to 66,712.02, 92,073.96 and 38,434.14 is: 53,045.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,712.02 : 92,073.96 = 38,434.14 : x
  2. Step 2: Convert to fraction form
    66,712.02/92,073.96 = 38,434.14/x
  3. Step 3: Cross multiply
    66,712.02x = 92,073.96 × 38,434.14
  4. Step 4: Simplify right side
    66,712.02x = 3,538,783,468.99
  5. Step 5: Solve for x
    x = 3,538,783,468.99/66,712.02
  6. Step 6: Final answer
    x = 53,045.67

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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.