Home / 74,130.02-111,257.01-67,154.87

Finding the Fourth Proportional to 74,130.02, 111,257.01 and 67,154.87

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Solution

The fourth proportional to 74,130.02, 111,257.01 and 67,154.87 is: 100,788.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,130.02 : 111,257.01 = 67,154.87 : x
  2. Step 2: Convert to fraction form
    74,130.02/111,257.01 = 67,154.87/x
  3. Step 3: Cross multiply
    74,130.02x = 111,257.01 × 67,154.87
  4. Step 4: Simplify right side
    74,130.02x = 7,471,450,321.28
  5. Step 5: Solve for x
    x = 7,471,450,321.28/74,130.02
  6. Step 6: Final answer
    x = 100,788.46

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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.