Home / 98,433.20-147,671.40-48,537.20

Finding the Fourth Proportional to 98,433.20, 147,671.40 and 48,537.20

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Solution

The fourth proportional to 98,433.20, 147,671.40 and 48,537.20 is: 72,816.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,433.20 : 147,671.40 = 48,537.20 : x
  2. Step 2: Convert to fraction form
    98,433.20/147,671.40 = 48,537.20/x
  3. Step 3: Cross multiply
    98,433.20x = 147,671.40 × 48,537.20
  4. Step 4: Simplify right side
    98,433.20x = 7,167,556,276.08
  5. Step 5: Solve for x
    x = 7,167,556,276.08/98,433.20
  6. Step 6: Final answer
    x = 72,816.45

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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.