Home / 66,742.02-92,127.03-38,458.98

Finding the Fourth Proportional to 66,742.02, 92,127.03 and 38,458.98

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Solution

The fourth proportional to 66,742.02, 92,127.03 and 38,458.98 is: 53,086.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,742.02 : 92,127.03 = 38,458.98 : x
  2. Step 2: Convert to fraction form
    66,742.02/92,127.03 = 38,458.98/x
  3. Step 3: Cross multiply
    66,742.02x = 92,127.03 × 38,458.98
  4. Step 4: Simplify right side
    66,742.02x = 3,543,111,604.23
  5. Step 5: Solve for x
    x = 3,543,111,604.23/66,742.02
  6. Step 6: Final answer
    x = 53,086.67

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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.