Home / 89,621.60-134,432.40-37,133.60

Finding the Fourth Proportional to 89,621.60, 134,432.40 and 37,133.60

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Solution

The fourth proportional to 89,621.60, 134,432.40 and 37,133.60 is: 55,700.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,621.60 : 134,432.40 = 37,133.60 : x
  2. Step 2: Convert to fraction form
    89,621.60/134,432.40 = 37,133.60/x
  3. Step 3: Cross multiply
    89,621.60x = 134,432.40 × 37,133.60
  4. Step 4: Simplify right side
    89,621.60x = 4,991,958,968.64
  5. Step 5: Solve for x
    x = 4,991,958,968.64/89,621.60
  6. Step 6: Final answer
    x = 55,700.40

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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.