Home / 99,107.06-148,683.30-42,956.60

Finding the Fourth Proportional to 99,107.06, 148,683.30 and 42,956.60

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Solution

The fourth proportional to 99,107.06, 148,683.30 and 42,956.60 is: 64,444.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,107.06 : 148,683.30 = 42,956.60 : x
  2. Step 2: Convert to fraction form
    99,107.06/148,683.30 = 42,956.60/x
  3. Step 3: Cross multiply
    99,107.06x = 148,683.30 × 42,956.60
  4. Step 4: Simplify right side
    99,107.06x = 6,386,929,044.78
  5. Step 5: Solve for x
    x = 6,386,929,044.78/99,107.06
  6. Step 6: Final answer
    x = 64,444.74

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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.