Home / 67,898.35-101,852.08-17,977.80

Finding the Fourth Proportional to 67,898.35, 101,852.08 and 17,977.80

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Solution

The fourth proportional to 67,898.35, 101,852.08 and 17,977.80 is: 26,967.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,898.35 : 101,852.08 = 17,977.80 : x
  2. Step 2: Convert to fraction form
    67,898.35/101,852.08 = 17,977.80/x
  3. Step 3: Cross multiply
    67,898.35x = 101,852.08 × 17,977.80
  4. Step 4: Simplify right side
    67,898.35x = 1,831,076,189.03
  5. Step 5: Solve for x
    x = 1,831,076,189.03/67,898.35
  6. Step 6: Final answer
    x = 26,967.90

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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.