Home / 62,558.40-93,838.56-21,005.76

Finding the Fourth Proportional to 62,558.40, 93,838.56 and 21,005.76

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Solution

The fourth proportional to 62,558.40, 93,838.56 and 21,005.76 is: 31,508.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,558.40 : 93,838.56 = 21,005.76 : x
  2. Step 2: Convert to fraction form
    62,558.40/93,838.56 = 21,005.76/x
  3. Step 3: Cross multiply
    62,558.40x = 93,838.56 × 21,005.76
  4. Step 4: Simplify right side
    62,558.40x = 1,971,150,270.11
  5. Step 5: Solve for x
    x = 1,971,150,270.11/62,558.40
  6. Step 6: Final answer
    x = 31,508.96

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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.