Home / 66,223.02-91,402.05-40,751.04

Finding the Fourth Proportional to 66,223.02, 91,402.05 and 40,751.04

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Solution

The fourth proportional to 66,223.02, 91,402.05 and 40,751.04 is: 56,245.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,223.02 : 91,402.05 = 40,751.04 : x
  2. Step 2: Convert to fraction form
    66,223.02/91,402.05 = 40,751.04/x
  3. Step 3: Cross multiply
    66,223.02x = 91,402.05 × 40,751.04
  4. Step 4: Simplify right side
    66,223.02x = 3,724,728,595.63
  5. Step 5: Solve for x
    x = 3,724,728,595.63/66,223.02
  6. Step 6: Final answer
    x = 56,245.22

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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.