Home / 88,729.40-133,094.10-82,314.20

Finding the Fourth Proportional to 88,729.40, 133,094.10 and 82,314.20

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Solution

The fourth proportional to 88,729.40, 133,094.10 and 82,314.20 is: 123,471.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,729.40 : 133,094.10 = 82,314.20 : x
  2. Step 2: Convert to fraction form
    88,729.40/133,094.10 = 82,314.20/x
  3. Step 3: Cross multiply
    88,729.40x = 133,094.10 × 82,314.20
  4. Step 4: Simplify right side
    88,729.40x = 10,955,534,366.22
  5. Step 5: Solve for x
    x = 10,955,534,366.22/88,729.40
  6. Step 6: Final answer
    x = 123,471.30

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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.