Home / 101,631.04-152,462.72-31,495.84

Finding the Fourth Proportional to 101,631.04, 152,462.72 and 31,495.84

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Solution

The fourth proportional to 101,631.04, 152,462.72 and 31,495.84 is: 47,248.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,631.04 : 152,462.72 = 31,495.84 : x
  2. Step 2: Convert to fraction form
    101,631.04/152,462.72 = 31,495.84/x
  3. Step 3: Cross multiply
    101,631.04x = 152,462.72 × 31,495.84
  4. Step 4: Simplify right side
    101,631.04x = 4,801,941,435.08
  5. Step 5: Solve for x
    x = 4,801,941,435.08/101,631.04
  6. Step 6: Final answer
    x = 47,248.77

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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.