Home / 97,732.60-146,598.90-72,849.40

Finding the Fourth Proportional to 97,732.60, 146,598.90 and 72,849.40

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Solution

The fourth proportional to 97,732.60, 146,598.90 and 72,849.40 is: 109,274.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,732.60 : 146,598.90 = 72,849.40 : x
  2. Step 2: Convert to fraction form
    97,732.60/146,598.90 = 72,849.40/x
  3. Step 3: Cross multiply
    97,732.60x = 146,598.90 × 72,849.40
  4. Step 4: Simplify right side
    97,732.60x = 10,679,641,905.66
  5. Step 5: Solve for x
    x = 10,679,641,905.66/97,732.60
  6. Step 6: Final answer
    x = 109,274.10

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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.