Home / 66,995.02-92,464.50-38,717.11

Finding the Fourth Proportional to 66,995.02, 92,464.50 and 38,717.11

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Solution

The fourth proportional to 66,995.02, 92,464.50 and 38,717.11 is: 53,436.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,995.02 : 92,464.50 = 38,717.11 : x
  2. Step 2: Convert to fraction form
    66,995.02/92,464.50 = 38,717.11/x
  3. Step 3: Cross multiply
    66,995.02x = 92,464.50 × 38,717.11
  4. Step 4: Simplify right side
    66,995.02x = 3,579,958,217.60
  5. Step 5: Solve for x
    x = 3,579,958,217.60/66,995.02
  6. Step 6: Final answer
    x = 53,436.18

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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.