Home / 62,688.24-93,966.30-20,557.33

Finding the Fourth Proportional to 62,688.24, 93,966.30 and 20,557.33

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Solution

The fourth proportional to 62,688.24, 93,966.30 and 20,557.33 is: 30,814.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,688.24 : 93,966.30 = 20,557.33 : x
  2. Step 2: Convert to fraction form
    62,688.24/93,966.30 = 20,557.33/x
  3. Step 3: Cross multiply
    62,688.24x = 93,966.30 × 20,557.33
  4. Step 4: Simplify right side
    62,688.24x = 1,931,696,003.06
  5. Step 5: Solve for x
    x = 1,931,696,003.06/62,688.24
  6. Step 6: Final answer
    x = 30,814.33

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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.