Home / 98,666.23-147,812.82-48,687.79

Finding the Fourth Proportional to 98,666.23, 147,812.82 and 48,687.79

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Solution

The fourth proportional to 98,666.23, 147,812.82 and 48,687.79 is: 72,939.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,666.23 : 147,812.82 = 48,687.79 : x
  2. Step 2: Convert to fraction form
    98,666.23/147,812.82 = 48,687.79/x
  3. Step 3: Cross multiply
    98,666.23x = 147,812.82 × 48,687.79
  4. Step 4: Simplify right side
    98,666.23x = 7,196,679,539.47
  5. Step 5: Solve for x
    x = 7,196,679,539.47/98,666.23
  6. Step 6: Final answer
    x = 72,939.64

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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.