Home / 66,492.02-91,767.52-38,203.18

Finding the Fourth Proportional to 66,492.02, 91,767.52 and 38,203.18

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Solution

The fourth proportional to 66,492.02, 91,767.52 and 38,203.18 is: 52,725.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,492.02 : 91,767.52 = 38,203.18 : x
  2. Step 2: Convert to fraction form
    66,492.02/91,767.52 = 38,203.18/x
  3. Step 3: Cross multiply
    66,492.02x = 91,767.52 × 38,203.18
  4. Step 4: Simplify right side
    66,492.02x = 3,505,811,084.71
  5. Step 5: Solve for x
    x = 3,505,811,084.71/66,492.02
  6. Step 6: Final answer
    x = 52,725.29

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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.