Home / 98,219.50-147,332.90-31,660.59

Finding the Fourth Proportional to 98,219.50, 147,332.90 and 31,660.59

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Solution

The fourth proportional to 98,219.50, 147,332.90 and 31,660.59 is: 47,492.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,219.50 : 147,332.90 = 31,660.59 : x
  2. Step 2: Convert to fraction form
    98,219.50/147,332.90 = 31,660.59/x
  3. Step 3: Cross multiply
    98,219.50x = 147,332.90 × 31,660.59
  4. Step 4: Simplify right side
    98,219.50x = 4,664,646,540.41
  5. Step 5: Solve for x
    x = 4,664,646,540.41/98,219.50
  6. Step 6: Final answer
    x = 47,492.06

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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.