Home / 67,416.10-101,160.60-27,977.20

Finding the Fourth Proportional to 67,416.10, 101,160.60 and 27,977.20

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Solution

The fourth proportional to 67,416.10, 101,160.60 and 27,977.20 is: 41,980.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,416.10 : 101,160.60 = 27,977.20 : x
  2. Step 2: Convert to fraction form
    67,416.10/101,160.60 = 27,977.20/x
  3. Step 3: Cross multiply
    67,416.10x = 101,160.60 × 27,977.20
  4. Step 4: Simplify right side
    67,416.10x = 2,830,190,338.32
  5. Step 5: Solve for x
    x = 2,830,190,338.32/67,416.10
  6. Step 6: Final answer
    x = 41,980.93

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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.