Home / 89,528.40-134,292.60-66,200.40

Finding the Fourth Proportional to 89,528.40, 134,292.60 and 66,200.40

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Solution

The fourth proportional to 89,528.40, 134,292.60 and 66,200.40 is: 99,300.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,528.40 : 134,292.60 = 66,200.40 : x
  2. Step 2: Convert to fraction form
    89,528.40/134,292.60 = 66,200.40/x
  3. Step 3: Cross multiply
    89,528.40x = 134,292.60 × 66,200.40
  4. Step 4: Simplify right side
    89,528.40x = 8,890,223,837.04
  5. Step 5: Solve for x
    x = 8,890,223,837.04/89,528.40
  6. Step 6: Final answer
    x = 99,300.60

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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.