Home / 102,661.20-153,977.40-32,547.60

Finding the Fourth Proportional to 102,661.20, 153,977.40 and 32,547.60

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Solution

The fourth proportional to 102,661.20, 153,977.40 and 32,547.60 is: 48,816.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,661.20 : 153,977.40 = 32,547.60 : x
  2. Step 2: Convert to fraction form
    102,661.20/153,977.40 = 32,547.60/x
  3. Step 3: Cross multiply
    102,661.20x = 153,977.40 × 32,547.60
  4. Step 4: Simplify right side
    102,661.20x = 5,011,594,824.24
  5. Step 5: Solve for x
    x = 5,011,594,824.24/102,661.20
  6. Step 6: Final answer
    x = 48,816.83

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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.