Home / 102,528.84-153,795.60-31,452.96

Finding the Fourth Proportional to 102,528.84, 153,795.60 and 31,452.96

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Solution

The fourth proportional to 102,528.84, 153,795.60 and 31,452.96 is: 47,180.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,528.84 : 153,795.60 = 31,452.96 : x
  2. Step 2: Convert to fraction form
    102,528.84/153,795.60 = 31,452.96/x
  3. Step 3: Cross multiply
    102,528.84x = 153,795.60 × 31,452.96
  4. Step 4: Simplify right side
    102,528.84x = 4,837,326,854.98
  5. Step 5: Solve for x
    x = 4,837,326,854.98/102,528.84
  6. Step 6: Final answer
    x = 47,180.16

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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.