Home / 67,550.02-101,278.16-30,090.22

Finding the Fourth Proportional to 67,550.02, 101,278.16 and 30,090.22

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Solution

The fourth proportional to 67,550.02, 101,278.16 and 30,090.22 is: 45,114.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,550.02 : 101,278.16 = 30,090.22 : x
  2. Step 2: Convert to fraction form
    67,550.02/101,278.16 = 30,090.22/x
  3. Step 3: Cross multiply
    67,550.02x = 101,278.16 × 30,090.22
  4. Step 4: Simplify right side
    67,550.02x = 3,047,482,115.60
  5. Step 5: Solve for x
    x = 3,047,482,115.60/67,550.02
  6. Step 6: Final answer
    x = 45,114.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.