Home / 99,178.19-148,621.38-58,609.94

Finding the Fourth Proportional to 99,178.19, 148,621.38 and 58,609.94

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Solution

The fourth proportional to 99,178.19, 148,621.38 and 58,609.94 is: 87,828.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,178.19 : 148,621.38 = 58,609.94 : x
  2. Step 2: Convert to fraction form
    99,178.19/148,621.38 = 58,609.94/x
  3. Step 3: Cross multiply
    99,178.19x = 148,621.38 × 58,609.94
  4. Step 4: Simplify right side
    99,178.19x = 8,710,689,421.41
  5. Step 5: Solve for x
    x = 8,710,689,421.41/99,178.19
  6. Step 6: Final answer
    x = 87,828.68

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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.