Home / 89,624.40-134,436.60-66,296.40

Finding the Fourth Proportional to 89,624.40, 134,436.60 and 66,296.40

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Solution

The fourth proportional to 89,624.40, 134,436.60 and 66,296.40 is: 99,444.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,624.40 : 134,436.60 = 66,296.40 : x
  2. Step 2: Convert to fraction form
    89,624.40/134,436.60 = 66,296.40/x
  3. Step 3: Cross multiply
    89,624.40x = 134,436.60 × 66,296.40
  4. Step 4: Simplify right side
    89,624.40x = 8,912,662,608.24
  5. Step 5: Solve for x
    x = 8,912,662,608.24/89,624.40
  6. Step 6: Final answer
    x = 99,444.60

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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.