Home / 98,505.57-147,818.12-39,336.28

Finding the Fourth Proportional to 98,505.57, 147,818.12 and 39,336.28

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Solution

The fourth proportional to 98,505.57, 147,818.12 and 39,336.28 is: 59,028.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,505.57 : 147,818.12 = 39,336.28 : x
  2. Step 2: Convert to fraction form
    98,505.57/147,818.12 = 39,336.28/x
  3. Step 3: Cross multiply
    98,505.57x = 147,818.12 × 39,336.28
  4. Step 4: Simplify right side
    98,505.57x = 5,814,615,222.64
  5. Step 5: Solve for x
    x = 5,814,615,222.64/98,505.57
  6. Step 6: Final answer
    x = 59,028.29

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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.