Home / 89,632.20-134,448.30-37,079.40

Finding the Fourth Proportional to 89,632.20, 134,448.30 and 37,079.40

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Solution

The fourth proportional to 89,632.20, 134,448.30 and 37,079.40 is: 55,619.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,632.20 : 134,448.30 = 37,079.40 : x
  2. Step 2: Convert to fraction form
    89,632.20/134,448.30 = 37,079.40/x
  3. Step 3: Cross multiply
    89,632.20x = 134,448.30 × 37,079.40
  4. Step 4: Simplify right side
    89,632.20x = 4,985,262,295.02
  5. Step 5: Solve for x
    x = 4,985,262,295.02/89,632.20
  6. Step 6: Final answer
    x = 55,619.10

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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.