Home / 102,591.40-153,887.10-67,570.60

Finding the Fourth Proportional to 102,591.40, 153,887.10 and 67,570.60

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Solution

The fourth proportional to 102,591.40, 153,887.10 and 67,570.60 is: 101,355.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,591.40 : 153,887.10 = 67,570.60 : x
  2. Step 2: Convert to fraction form
    102,591.40/153,887.10 = 67,570.60/x
  3. Step 3: Cross multiply
    102,591.40x = 153,887.10 × 67,570.60
  4. Step 4: Simplify right side
    102,591.40x = 10,398,243,679.26
  5. Step 5: Solve for x
    x = 10,398,243,679.26/102,591.40
  6. Step 6: Final answer
    x = 101,355.90

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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.