Home / 66,808.23-92,172.47-38,107.28

Finding the Fourth Proportional to 66,808.23, 92,172.47 and 38,107.28

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Solution

The fourth proportional to 66,808.23, 92,172.47 and 38,107.28 is: 52,574.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,808.23 : 92,172.47 = 38,107.28 : x
  2. Step 2: Convert to fraction form
    66,808.23/92,172.47 = 38,107.28/x
  3. Step 3: Cross multiply
    66,808.23x = 92,172.47 × 38,107.28
  4. Step 4: Simplify right side
    66,808.23x = 3,512,441,471.18
  5. Step 5: Solve for x
    x = 3,512,441,471.18/66,808.23
  6. Step 6: Final answer
    x = 52,574.98

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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.