Home / 59,621.40-89,432.10-38,626.20

Finding the Fourth Proportional to 59,621.40, 89,432.10 and 38,626.20

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Solution

The fourth proportional to 59,621.40, 89,432.10 and 38,626.20 is: 57,939.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,621.40 : 89,432.10 = 38,626.20 : x
  2. Step 2: Convert to fraction form
    59,621.40/89,432.10 = 38,626.20/x
  3. Step 3: Cross multiply
    59,621.40x = 89,432.10 × 38,626.20
  4. Step 4: Simplify right side
    59,621.40x = 3,454,422,181.02
  5. Step 5: Solve for x
    x = 3,454,422,181.02/59,621.40
  6. Step 6: Final answer
    x = 57,939.30

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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.