Home / 100,419.04-150,577.02-53,059.48

Finding the Fourth Proportional to 100,419.04, 150,577.02 and 53,059.48

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Solution

The fourth proportional to 100,419.04, 150,577.02 and 53,059.48 is: 79,561.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,419.04 : 150,577.02 = 53,059.48 : x
  2. Step 2: Convert to fraction form
    100,419.04/150,577.02 = 53,059.48/x
  3. Step 3: Cross multiply
    100,419.04x = 150,577.02 × 53,059.48
  4. Step 4: Simplify right side
    100,419.04x = 7,989,538,381.15
  5. Step 5: Solve for x
    x = 7,989,538,381.15/100,419.04
  6. Step 6: Final answer
    x = 79,561.99

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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.