Home / 99,107.19-148,683.48-42,956.73

Finding the Fourth Proportional to 99,107.19, 148,683.48 and 42,956.73

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Solution

The fourth proportional to 99,107.19, 148,683.48 and 42,956.73 is: 64,444.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,107.19 : 148,683.48 = 42,956.73 : x
  2. Step 2: Convert to fraction form
    99,107.19/148,683.48 = 42,956.73/x
  3. Step 3: Cross multiply
    99,107.19x = 148,683.48 × 42,956.73
  4. Step 4: Simplify right side
    99,107.19x = 6,386,956,105.82
  5. Step 5: Solve for x
    x = 6,386,956,105.82/99,107.19
  6. Step 6: Final answer
    x = 64,444.93

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1.5x scale

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.